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Razor Shark
Solid Diamond Whetstone Technology
(Continual diamond surface stones for all of your sharpening needs)


Picture shows how the
5" Double-Sided Pocket Stone
can be used to re-sharpen a
Knife Blade

Razor Shark´s extensive range of diamond whetstone are designed and manufactured in the UK and are the product of over 30 years experience of supplying diamond abrasives to Rolls Royce, British Aerospace and other leading manufacturers. Backed by a 5 year lifetime guarantee, the diamond whetstones are up to 95% quicker than conventional sharpening methods and can be used on a wide range of tooling from router cutters, chisels, plane irons and saw blades to knife honing, scissors and garden tools. Basically pretty much any tool with an edge.

All of the Razor Shark Diamond Whetstones that we stock on this web site are double-sided whetstones that offer two grit sizes in just one stone, allowing coarse sharpening and finer finishing to be accomplished with just the simple turn of the whetstone.

All Razor Shark Double-Sided Diamond Whetstones are suitable for the sharpening of all HSS (Hardened and treated high carbon content steel used to make router cutters giving maximum sharpness. Suitable for non-abrasive materials.), and TCT (Cutting faces on tools normally brazed onto the tool body. Harder wearing than traditional WS or HSS tools. Ideal for man-made boards.) tooling.

Razor Shark Diamond Whetstone - The Diamond Edge


An overview of using Razor Shark Diamond Sharpening products explaining the benefits and difference between alternative brands. The Razor Shark range of Diamond Whetstones are designed to sharpen and hone tools, for optimum cutting performance. These whetstones are the product of over 30 years experience supplying diamond abrasives to Rolls Royce, British Aerospace and other leading manufacturers. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.

So Why Use Diamonds?


Fig. 1. Vickers Hardness Scale

If you look at the 'Vickers Hardness Scale' (Fig.1), you will see that Diamond, which is the hardest material, known to mankind, is given 10,000 on this scale. The nearest competitive abrasive material to diamond, Cubic Boron Nitride CBN), is around 4,000 on the Vickers Hardness Scale, which means that diamond is some 2.5 times harder than this material. Another abrasive is Aluminium Oxide (Al2O3), common used in Ceramic Sharpening Stones, is about 2,500 on the Vickers Hardness Scale, but even this extremely hard material is still 4 times softer than diamond. So you can see that diamonds are not just a girl’s best friend, they are the best buddy to anyone who wishes to sharpen steel or tungsten tools. Anyone who use the amazing Ceramic knives, will see DMT Diamond Whetstones as a real godsend, they will quickly and easily sharpen these super hard blades; diamond being 4 times harder that the Aluminium Oxide that makes them.

Types of Diamond

Razor Shark Diamond Whetstones are renowned for their remarkable sharpening speed. This sharpening speed is a function of the quality of the micronized super abrasive, Monocrystaline Diamond that they use in all of their products.

Monocrystaline vs. Polycrystalline

The drawing shown below (Fig.1), demonstrates the view of Monocrystaline Diamond Crystals vs. Polycrystalline Diamond Crystals. It becomes obvious that the Polycrystalline diamonds will begin to fracture at the weakest points, which are shown where the surface is segmented.

Fig. 2. Monocrystaline vs. Polycrystalline

Polycrystalline Diamonds
(Weak diamonds that easily fragment)

Polycrystalline diamond are made in such a way that the process causes the diamonds to have microscopic flaws and fracture lines that are very weak and will fragmented when used. Polycrystalline diamond sharpening compounds rapidly break and wear away.

Many competitors use Polycrystalline diamonds; these diamonds will easily breaks apart, sometimes within minutes of use, fragmenting into a paste that is instantly washed away by any lubricant that is used. Some competitor’s even claim that their stones are constructed from multiple layers of diamonds, however, this only indicates the poor quality diamonds that being used. After all using high quality Monocrystaline diamonds on surface that is designed to wear away revealing new diamonds underneath would be a waste of these quality diamonds, since they will only be washed away ... better to use the much cheaper poorer quality Polycrystalline diamonds and save money.

Monocrystaline Diamond
(A Superior, Strong & Single Crystalline Diamond)

Monocrystaline diamonds (Element 6 Diamonds), on the other hand, are diamonds that are formed with a single crystalline structure. This pure unflawed diamond structure will not shatter and break down with use. Monocrystaline diamonds are very strong which will result in an exceptionally long life span. Monocrystaline diamond have the following properties:

  • Fast - Hardest material, the most efficient sharpening abrasive.
  • Easy - Light pressure produces an edge in seconds.
  • Clean - Use with Razor Shark lapping fluid to prevent rusting or clogging. Oils are too thick.
  • Versatile - Sharpens all hard materials including Tungsten Carbide & high speed steel.
  • Durable - Stays flat & has a long life.

Razor Shark Diamond Grits Sizes

Razor Shark Diamond Whetstones only use two principle grit sizes Fine & Coarse:

The Fine (F) Red - 25 Microns - 600 Grit/Mesh - is ideal for putting a razor sharp edge on a blade that is regularly maintained (i.e. for restoring any knife or tool that has just started to become slightly dull). This restoration, more often than not, is accomplished within just one or two strokes across the whetstone.

The Course (C) Blue - 45 Microns - 340 Grit/Mesh - is general used for rapidly honing and restoring dull edges on neglected tools, blade and general cutting tools such as joinery and High Speed Steel tooling, bringing them back to a sharp cutting edge again, also for re-shaping and rapid metal removal, fast action cutting, without worry of edge refinement.

Razor Shark Diamond Whetstone Construction


Picture showing how
Razor Shark Diamond Whetstones
are constructed

Superior Monocrystaline Diamonds are bonded through an Electroless nickel plating process to a precision ground pre-plated nickel Carbon Steel (EN43A) base. The Electroless process ensures a more even spread of diamonds which produces unparalleled flatness. Razor Sharks diamond stones are the only diamond products, which are completely pre-plated in nickel first ensuring extra durability.

A Continuous Diamond Surface gives a much smoother finish and prevents snagging on smaller tooling, especially when compared to traditional polka dot diamond stones. This Diamond and nickel lift is also prevented by a continuous diamond finish that also gives 50% more diamond coverage per square inch and prevents diamond and nickel lift giving more effective anti-corrosion.


Picture shows how the
5" Double-Sided Pocket Stone
can be used to re-sharpen a
Circular Saw Blade

Precision Ground to perfection. Razor Shark Bench Stones are pre-ground to a tolerance of flatness of +/- 0.005mm, so you are guaranteed that these whetstones are suitable for the most precise of precision tools.

Breaking in Period

Initially your diamond stone will seem especially coarse and abrasive, however, it will smooth over time, settling into its correct diamond grit size. James Barry, a leading Razor Shark Diamond Whetstone specialist, suggest that you will not attain your maximum sharpening performance on these high quality stones for a couple of months; this is testimony to the level of hardness and quality of the Monocrystaline diamonds that are used in all Razor Shark Diamond Whetstones. Barry advocates that you use very gentle strokes, and that you need not exert extra pressure as you sharpen with your Razor Shark Diamond Whetstones – “Just let the diamonds do the work!”

Care of a Diamond Whetstone

Razor Shark Diamond Whetstones are precision made tools. When used with reasonable care, they will give many years of faithful service.


Picture shows how easy it is
to apply Razor Shark Lapping Fluid
to a Diamond Whetstone

Although water can be used as a lubricant for Diamond Whetstones, Razor Shark do not recommended its use its use on Razor Shark Diamond Whetstones will affect the Razor Shark 5 Year Guarantee.

It is well known that water will to cause metals such as steel to rust, and since very fine metal particles of metal are abraded from tools as they are sharpened, this metal swarf will quickly begin to rust. If left on the whetstone's surface there is a very high probability that any diamond whetstone that is lubricated with water, or water based products, will begin to form rust. This rusting will, if it gets under the nickel / diamond sharpening surface, affect the bonding between the precision ground base plate and the nickel / diamond surface causing the two to separate. In other words water will rust the whetstone and the rust will cause the diamonds to fall off, thereby rendering the whetstone useless for sharpening your tools.

To get around this problem Razor Shark recommends that all diamond whetstones, even those made by its competitors, use a specialised Diamond Lapping Fluid as the preferred method of lubricating these products. Design solely for Diamond Abrasives, Razor Shark Diamond Lapping Fluid is petroleum based that effectively lifts the swarf created whilst sharpening away from the diamond surface, this effectively increases the life expectancy, reduces clogging and improves the diamond performance. Professionals who have previously used water on a variety of different make of Diamond sharpening stones have constantly complained of rusting problems caused by water - Razor Shark Lapping Fluid reduces threat of rusting by 95%.


Picture shows the
Razor Shark Cleaning Block (DWS/CB/A)

When further cleaning is needed it is recommended that you use a Razor Shark Cleaning Block to remove any excess swarf, you will find that maintaining the whetstone in this manner increases sharpening speed - once cleaned the performance of the diamond stones unparalleled.

Razor Shark Diamond Whetstones are considered by professionals to be excellent value for money because of their durable construction, quality and reputation for providing years of uncompromising service. Unlike conventional oilstones, Japanese Water Stones, Arkansas stones and other ceramic sharpeners, Razor Shark Diamond Whetstones will not break, chip, crack, hollow or groove.

Using a Diamond Whetstone

  1. Use only light pressure when sharpening. As a rule, 5-10 minutes on a conventional oilstone is equal to about 20 seconds on a Razor Shark Diamond Whetstone.
  2. A lubricant is only necessary to speed the process of clearing swarf (material removed during sharpening process) from the surface of the whetstone thereby increasing speed and efficiency. Razor Shark do not recommended that you use water or oils as a lubricant, they have, however, Razor Shark has developed a specialised Lapping Fluid to be used on all of its high quality Diamond Whetstones.

Razor Shark and the Outdoor Enthusiast


Picture shows how the Diamond Pen File
can be used in the Field to re-edge a
Skinning Knife

Enthusiasts worldwide prefer Razor Shark's award winning products to care for their edges. Just as essential as your pocketknife, Razor Shark Diamond Sharpeners are lightweight, easy to carry and durable. They withstand harsh environments and sharpen all kinds of knives, tools and edged equ

ipment that hunters, hikers, rock climbers, adventurers, campers and sportsman rely on to survive and enjoy the outdoors.

  • Razor Shark products sharpen knives much faster and easier than conventional sharpeners. For example, sharpening a knife with a typical oilstone becomes a real chore taking anywhere from 5 to 15 minutes and requires messy, smelly oil. That same "chore" takes less than 1 minute using a Razor Shark Diamond Whetstone of equivalent grit and no oil is needed. All of these Razor Shark Diamond Whetstones will never dish, hollow, groove, chip or break and are your pocketknife's perfect companion.
  • Out in the field, or back at camp, Razor Shark products like the 5” Double-Sided Pocket Stone Kit, or the 3” Diamond Taper File, 3” Diamond Mini Taper File and the 3” Double-Sided Credit Card Stoner are outdoor enthusiast essentials.
  • In addition to sharpening hunting and pocketknives, Razor Shark products are popular for sharpening a wide range of household knives and tools such as kitchen knives, pruning shears, axes, scissors, chisels, router bits, utility blades etc.

Razor Shark in the Kitchen


Picture shows how to use the Razor Shark Diamond
Steel to re-edge a Kitchen Knife

Razor Shark Diamond Sharpeners will quickly sharpen the toughest stainless steel kitchen cutlery while removing a minimum of material from the blade - unlike electric sharpeners. Manual sharpening with Razor Shark products is fast, easy and versatile. Whether you have a common chef's knife, a Japanese Sashimi knife or even a steep-angled meat cleaver, Razor Shark can do it all.

Traditional Butcher steels do not remove much metal because they are about as hard as the knife. Butcher steels only align the edge. Since they remove very little metal, they round the shoulders of the blade. This diminishes the life of the knife.


Picture shows how to re-edge a
Kitchen Knife

Each time you sharpen on a Diamond Steel, a very small amount of steel is removed keeping the edge of the knife thin and the angle maintained. Razor Shark Diamond Steel extends the life of knives, this alone can pay for the cost of the Razor Shark sharpener.

Many chefs and home cooks prefer to use a Diamond Whetstone to sharpen their favourite knife. A few light strokes are all that is needed. You can use a Whetstone to sharpen when you need to re-align an edge or just because you prefer to use a Whetstone. Having a Diamond Whetstone in the kitchen doesn't mean that you can't also use it to sharpen other edged tools that you may have in your home – scissors, woodworking tools, and more. It's a great value and a lot of sharpening potential from just one sharpener.

5 Year Guarantee

Since Razor Shark produce some of the world's finest diamond knife and tool sharpeners, and are made using the highest quality materials and workmanship they are guaranteed to be free of defects for 5 years. Any products found to be defective will be replaced free of charge.

Razor Shark FAQs

The Difference between Razor Shark and other makes.

Q: What is the difference between the Razor Shark Diamond Whetstone range and that of the ‘Polka-dot’ ones?

A: The manufacturer of the ‘Polka-dot’ range of diamond whetstones has been around for many years, Razor Shark Diamond Whetstones are a progression from these much respected products. Razor Shark Diamond Whetstones are manufactured with a continuous diamond surface, which have the following major benefits over the ‘polka-dot’ system:

  1. You get 50% more diamonds per sq. inch on the surface of a continuous diamond surface whetstone that a ‘polka-dot’ one, therefore you will get a longer lasting and more durable stone.
  2. Any diamond whetstone with holes on the surface will give you a ‘Lumpy’ feel when sharpening tools.
  3. A continual diamond surface prevents ‘snagging’ when you are sharpening small and pointed tools. ‘Snagging’ is a constant source of complaint with professional sharpeners, which is what you get when trying to sharpen this type of tool on a ‘polka-dot’ system … the tool will tend to snag in the holes unless special care is taken to prevent this from happening.
  4. A continual diamond surface is easier to maintain and clean.
  5. Razor Shark diamonds are electroplated directly onto a precision ground steel base plate whereas the ’polka-dot’ type are electroplated onto a steel film which is then pressed-moulded onto a polycarbonate plastic base.
  6. Razor Shark diamond whetstones are all double-sided so that you need only ever buy one product to accomplish all of your sharpening needs.

Q: Why is there such a difference in the prices of all the various types of diamond sharpening stones on the market?

A: Basically all diamond whetstones fall into two construction categories Impregnated Diamond Whetstones and Electroplated Diamond Whetstones and two types of diamond quality Polycrystalline Diamonds and Monocrystaline Diamonds:

  1. Impregnated Diamond Whetstones are constructed by simply gluing a layer of diamonds to the surface of the stone in the same way that they make Sand paper. This is cheap to produce, however this type of diamond whetstone is only as good as the glue that holds the diamonds to the surface. This type of stone has an exceptionally short life span since the diamonds that are used need not be of any quality … thus they use Polycrystalline diamonds. After all there is no point using top quality Monocrystaline diamonds if they are going to become unglued after a few minutes of use is there?
  2. Electroplated Diamond Whetstones are made by a process of embedding the diamonds in a blanket of the metal Nickel. The diamonds are placed in a solution of Nickel and then electroplated onto the surface of the base plate, by two thirds of the size of the diamond, leaving one third exposed – a bit like an iceberg floating in the sea with most of its mass underwater and only the ‘Tip of the iceberg’ exposed. This manufacturing process is quite complex and somewhat more expensive to accomplish than simply gluing the diamonds in place as I have previously described in the Impregnated Diamond Process. Since Razor Shark take the trouble to as a manufacture their Diamond Sharpening equipment using the far superior electroplating method, there does not seem to be any good reason for them to cheapen the product with cheap and fragile Polycrystalline diamonds. Razor Shark, like its competitor DMT, only ever use superior Monocrystaline diamonds when manufacture their sharpening stones.

Q: How flat does Razor Shark make their Whetstones?

A: Razor Shark Bench Stones are pre-ground to a tolerance of flatness of +/-0.005mm.

Q: How long should a Razor Shark Bench stone last me?

A: If use on a Professionals basis (every day) the average life span will be approximately 8 – 10 years. It is a fact that all diamond products will wear in time, however there is a whole world of difference between a diamond wearing down through years of faithful service as is the case with Monocrystaline diamonds and diamonds that simply shatters and falls to pieces as soon as they are used as is the case with Polycrystalline diamonds.

Q: Do I need lots of different grits of whetstones to sharpen my tools?

A: Most of Razor Shark products are double sided, having a Fine grits on one side and a much Coarser grit on the other. This makes the choice really quite simple, so there is no need to purchase several different Whetstones. All you need to achieve sharpening perfection has been incorporated into just one product, a Coarse side that is good for re-shaping and backing off (flattening the backs) of your tools and a Fine side that I good for refining a cutting edge enabling you to achieve a shaving edge in just four or five strokes.

Q: What is the major difference between Razor Shark products and those of DMT and Ezelap stones?

A: You would only need to purchase just 1 item from the Razor Shark range, since they are double sided (having a Coarse and a Fine grit side), whereas with DMT you will need to purchase up to five different grades which complicated matters. Two grades on the same stone is sufficient for all of your sharpening needs.

Lapping Fluid.

Q: Do I have to use a lubricant when using diamond sharpening equipment?

A: Yes, you need a lubricant to keep the surface clear of the build up of swarf that is abraded from the tool you are sharpening.


Picture shows a 100ml bottle of
Razor Shark Lapping Fluid (WDS/LF/100)

Q: Is there a lubricant that you would recommend?

A: Water has become the lubricant of choice for most users of diamond whetstone, and as a lubricant it is freely available to all, certainly it is much better that using oils which are dirty and extremely messy to use. Using water as your choice of lubricant is great if you are out and about in the great outdoors for a couple of weeks or so, however it does have its drawbacks, it is well known that water and metal do not mix, since one will cause the other to rust. As I have already mentioned Razor Shark diamonds are electroplated to the surface of a precision ground steel plate using the metal Nickel, Nickel being a porous metal will hold and trap water, which will then begin to undermine the stability of the diamonds that are embedded within its structure and being porous it will also begin to cause supportive steel bedding plate to rust. Once this process begins to happen the rusting steel will flake thus causing the diamond/nickel electroplating to lose cohesion and fall off, which is not what you want to happen to high quality diamond whetstones. So, if you do need to use water as a lubricant it is strongly advised that you always dry off the stone thoroughly after each use and bear in mind that since Nickel is porous it will still hold onto the moisture that is absorbed into its surface, which significantly reduce the life of these whetstones. As an alternative to water and the issues it has with metal, we would always recommend that you use the Razor Shark Lapping Fluid. Razor Shark Lapping Fluid has been developed over thirty years in the engineering industry for the sole purpose of being used on diamond sharpening products. It will prevent the threat of rusting and is able to lift swarf away from the diamond surface, which increases efficiency by preventing the surface from clogging. It will seal the microscopic pores of the Nickel preventing atmospheric moisture from entering, which will considerably prolong the effectiveness and durability of the diamond whetstone.

Q: What is the Razor Shark Lapping Fluid made from?

A: Razor Shark Lapping Fluid like oil, is a petroleum based product, however unlike oil should Razor Shark Lapping Fluid be left on the surface of the diamond whetstone, for whatever reason, will eventually evaporate … oil will not. Oil, being somewhat sticky, will attract dust and other forms of debris, which will clog up the whetstone surface thus reduce abrasive efficiency and if a drying oil is used you may be required to use harsh chemicals to removed the resulting film; and if using water or water based products you will eventually have issues with rusting. Razor Shark Lapping Fluid will not cause any of these problems.

Q: Can I use Razor Shark Lapping Fluid on any diamond whetstone?

A: It is recommended that Razor Shark Lapping Fluid be used on any type of diamond whetstone, regardless of manufacture or construction.

Q: Razor Shark has a five year guarantee on all of their diamond whetstones; if I do not use this lapping fluid will it affect this guarantee?

A: Yes, as I have already explained using other forms of lubricant can cause problems with the whetstone, these issues are not covered by the five years guarantee that Razor Shark provides This effectively means that if your whetstone begins to rust and therefore lose the diamonds that make it a Razor Shark Diamond Whetstone, Razor Shark will not replace the stone. As long as Tend Diamond Whetstones are used in accordance with their usage instructions this five year guarantee will be honoured.

Q: Can I use a very light oils, such as WD40 as a lubricant?

A: No. Basically even very light oils of this nature are still too thick and stick to be used on whetstones of this quality. For example, the Fine side of a Razor Shark Whetstone uses a diamond particulate size of approximately 20 microns, which is 2.5 to 3 times smaller than a human hair cut across its diameter. And when the diamond is electroplated to the steel base plate within its blanket of nickel only the top one third of the diamond will stand proud of the surface; since two thirds of the diamonds 20 microns will be embedded within the nickel, this leave about 7 microns exposed. WD40 or other very light oils will prevent efficient sharpening to take place, by causing the tool to just ‘Skate’ over the surface … after all isn’t that what oil is used for - reducing friction between two surfaces?

Razor Shark Diamond Sharpening DVD

Razor Shark has created a DVD to assist you in using the diamond whetstones. It explains how they help give you the perfect edge, covering in detail all the different products available and explaining which of the stones are more suited for particular applications. Full demonstrations of the sharpening techniques are shown as well as the correct care and maintenance required to ensure the stone´s long life. A handy guide is also included covering all the aspects from the DVD.

Sharpening Videos

  1. Sharpening - Razor Shark Diamond Whetstone - The Diamond Edge
  2. Sharpening - Razor Shark Diamond Whetstone - Show Demonstration with James Barry
  3. Sharpening - Introduction to Diamond Sharpening with James Barry
  4. Sharpening - Knife Sharpening on a Razor Shark Diamond Whetstone with James Barry
  5. Sharpening - Razor Shark Lapping Fluid with James Barry
  6. Sharpening - Penfile & The Outdoorsman with James Barry
  7. Sharpening - Bench Stones & Complete Diamond Range with James Barry
  8. Sharpening - Kitchen Diamond Steel with James Barry
  9. Sharpening - Tapered 6 inch Diamond File with James Barry - Part 1
  10. Sharpening - Tapered 6 inch Diamond File with James Barry - Part 2
  11. Sharpening - Double Sided Credit Card Stone with James Barry - Part 1
  12. Sharpening - Double Sided Credit Card Stone with James Barry - Part 2
Razor Shark Diamond Whetstone - Show Demonstration with James Barry


In this video James Barry talks about Diamond Whetstones. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Introduction to Diamond Sharpening with James Barry


In this video James Barry demonstrated how diamond whetstones are made and why quality Diamond Whetstones are well worth the extra cost. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Knife Sharpening on a Razor Shark Diamond Whetstone with James Barry


In this video James Barry demonstrates how quickly you can achieve a razor edge ... in just seconds using a Razor Shark Diamond Whetstone. Ideal Razor Edge Sharpening of kitchen knives, hunting knives, skinning knives etc. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Razor Shark Lapping Fluid with James Barry


In this video James Barry demonstrates why water is not always the best lubricant for any form of Diamond Whetstone. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Penfile & The Outdoorsman with James Barry


In this video James Barry demonstrates just how easy it is to keep a razor sharp cutting edge on your Bushcraft knife and also a Serrated blade knife whilst out in the field using a round/tapered 'Diamond Pen File' and a round/flat 'Outdoorsman Diamond Pen File'. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Bench Stones & Complete Diamond Range with James Barry


In this video James Barry demonstrates just how easy it is to sharpen a Plane blade ‘Freehand’ and with the 'Diamond Stone Honing Guide' on a 'Double Sided Bench Stone'. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Kitchen Diamond Steel with James Barry


In this video James Barry demonstrates how to use the '10" & 12" Diamond Steels' for your kitchen knives and why an ordinary Steel is so bad for your knives. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Tapered 6" Diamond File with James Barry - Part 1


In this video James Barry demonstrates how to clean your Diamond Whetstones as well as save loads of money by sharpening a complete and comprehensive range of Tungsten Carbide tools including Router Bits, Spindle Moulding Knives, Woodturning Tools, Circular Saw Blades, using the 6" Diamond Tapered File. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Tapered 6" Diamond File with James Barry - Part 2


In this video James Barry demonstrates how to sharpen a complete and comprehensive range of garden tool sharpening including how to sharpen shears, secateurs, pruners, axes, garden tools, knives and budding knives using the 6" Diamond Tapered File. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Double Sided Credit Card Stone with James Barry - Part 1


In this video James Barry demonstrates how to save loads of money by sharpening your Tungsten Carbide Router Bits quickly and easily yourself, using the 'Double-Sided Diamond Credit Card Stone'. See our full range of high quality Razor Shark - Diamond Whetstone sharpening equipment.
Double Sided Credit Card Stone with James Barry - Part 2


In this video James Barry demonstrates how easy it is to sharpen Turning Tools, Wood Turning Tools, Gouges, Skew Chisels, Plane Blades, Chisels, Utility Knives, Scissors, Pruners, Secateurs and Circular Saw Blades using just the 'Double-Sided Diamond Credit Card Stone' … prolonging the life of your tools and saving yourself a whole load of money in the process. See our full range of high quality
Razor Shark - Diamond Whetstone sharpening equipment.

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