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New for 2014 we are proud to announce the development and launch of a superior range of high quality diamond stones, specifically designed to complement the highly acclaimed PSS1 Sharpening System. In short the results of the rigorous performance tests undertaken prove that M.POWER’s ‘’Diamond Cross’ patterned diamond stones are nothing short of breathtaking; with superior rates of sustained abrasion achieved across all 5 grades of stone.
Diamond Cross diamond stones out perform all before them. We’re so confident in their quality, they’re supported by a 2 year “no quibble replacement guarantee’’.

  Extra Coarse (100Grit)
Price:       $13.00 USD
  Preparation (220Grit)
Price:       $13.00 USD
  Finishing (450Grit)
Price:       $13.00 USD
  Fine Finishing (600Grit)
Price:       $13.00 USD
  Super Fine (1000Grit)
Price:       $13.00 USD
  De-Burring Plate (1000Grit)
Price:       $13.00 USD
  • FREE SHIPPING - Orders over $50USD within the 48 Contiguous US States
Buy in confidence direct from the manufacturer.
Shipped from Michigan, USA.

  •   Tool Sharpening.
  •   Wire removal.

Diamond Cross stones have been designed and developed specifically for
use with the Precision Sharpening System and are manufactured to the
highest standards providing uncompromising rates of abrasion; Always
resulting ina fine durable edge for chisels and plane irons alike. Diamond
Cross stones are highly durable and won't break, chip, crack or hollow unlike
their traditional counterparts such as oil stones, waters stones and ceramics.
Diamond cross stones are almost maintenance free other than an occasional
cleaning with an eraser; they require no special storage and promise to
deliver consistently fine edges on tools for a very long time.

  •   Unique Diamond Cross surface pattern.
  •   Increased size, tailored to fit the PSS1 Sharpening System.
  •   Diamond grade indication.
  •   Quick-release, finger recessed backing plate.
  •   Range of 5 different grades.
  •   Even coarser... Extra Coarse Stone.

Unique surface pattern: With all diamond sharpening stones pasting can occur. This is where a mixture of debris from the sharpening process mix with dirt to clog the diamond stone surface which reduces the abrasion rate of the stone. This occurs more on a continuous coated diamond surface stone as there is nowhere for the this spent material to go.
The diamond cross pattern provides specifically designed relief recesses where the waste material is forced during sharpening thus reducing the pasting effect and reducing the need to frequently clean.

Increased size: The new stones are larger than the originals with an increased sharpening surface area of just over 10%. That means more abrasion, quicker sharpening and better results. Size: 3 x 1” (76 x 25mm)

Finger recessed backing plates: The backing plates are now recessed at both ends to make it easier and quicker to remove from the diamond stone from the PSS carriage when changing over to a different diamond grit. The same backing plate colour to grit coding has been maintained as before.

Diamond grade indication: So there’s no confusion as to what colour of backing plate refers to  what grade of diamond. The grade or grit size is clearly relief etched on the top surface at one end of the new stones. So it’s always clear which grade of stone is in your hand.

Range of 5 different grades: A unique feature of the PSS sharpening system is being able to work a blade with a much coarser diamond grade than traditional sharpeners. This speeds up the abrading/sharpening process;  more quickly than any other hand operated system.
NEW Diamond Cross Stone grades:

Name Color New Grit Size
Extra Coarse Grey 100
Preparation Black 220
Finishing White 450
Fine Finishing Red 600
Super Fine Finishing Green 1000
De-Burring Plate N/A 1000

Even coarser.. Extra Coarse Stone
To further  improve material removal or abrasion rates - The Extra coarse diamond stone has an increased diamond size. Increased from 120 to 100 grit.

  •   Unique Diamond Cross surface pattern.
  •   Increased size, tailored to fit the PSS1 Sharpening System.
  •   Diamond grade indication.

Sharpening chisels and plane blades: The New Diamond Cross stones and Precision Sharpening System are a formidable combination in the battle against blunt tools. Traditionally sharpening chisels and plane blades was a messy business. Usually involving an arkansas oilstone or Japanese waterstone, a lubricant - oil or water, some cloths to clean up the mess afterwards and not forgetting a considerable level of skill; to hold and maintain the contact angle between blade and stone.
Once a descent primary angle has been established the PSS is ideal for creating and re-touching blade edges. The tidy up afterwards is almost nonexistent as the Diamond cross stones can be used dry if preferred. Most important is that the tool is sharp when undertaking  a task. A blunt edge is a very dangerous condition to use a tool and even if injury is avoided; the resulting finish is never crisp and ‘’professional’’ looking. The PSS allied with the New Diamond Cross stones is probably the fastest way to safely create and maintain a good sharp edge.

Wire removal from the back of a chisel or plane blade: Any successful tool sharpening process will result in a wire or burr forming on the back or flat of a blade. It’s important to remove this wire during (between diamond grades) and finishing the sharpening process. This can be easily done  using a Diamond Cross 1000 grade stone wiped flat across the back of the blade.

Sharpening TCT router cutters: Router Cutters like any other woodworking blade need regular sharpening and maintenance. The Diamond Cross Stone is the perfect size to work in between the flat of the TCT blade and the anti chip body of the cutter.
Due to the speed at which the router cutter runs - between 14,000 and 22,000 RPM. Residues and dirt build-up on the cutting surface of the cutter further blunting the blade edge and increasing the chance of leaving burn marks on the molded edge being worked on. A common lubricant such as engineers cutting fluid or even an aerosol oil such as WD40 can easily remove build up on the router cutter prior to sharpening


M.POWERED Diamond Cross Diamond Stones are manufactured using only the finest Monocrystalline Diamonds. All the diamonds used undergo testing and are guaranteed for size and uniformity.
The diamonds are then permanently bonded via a nickel plating onto a steel substrate. Just 40% of each crystal protrudes above the nickel plating. Ensuring the bonding process is a permanent one.
Monocrystalline Diamond is a strong, single crystal rather than POLYCRYSTALLINE, a multi faceted diamond that has a tendency to fragment and certainly falls short in performance when compared to of the MONOCRYSTALLINE Diamond.

Vickers hardness scale


Learning to take it easy is important. Abrasion rates are not determined by energy exerted. Diamonds are the hardest material known to man and operate best without excess force.  
A light pressure is all that’s needed to ensure high abrasion rates and a long life for your diamond stones.
Diamond Cross Stones can be used wet or dry, depending on a personal preference.
It’s been found that the most efficient way to clean a diamond stone is using a hi polymer plastic pencil eraser directly rubbed on the surface of the diamond stone.

available from
UK USA Canada Ireland France Estonia
Brazil Japan Norway Sweden Australia South Korea
Diamond Cross Stone Pattern
Relief Pattern
Diamond Cross Extra Coarse 100Grit
Extra Coarse
Diamond Cross Preparation 220Grit
Diamond Cross Finishing 450Grit
Diamond Cross Fine Finishing 600Grit
Fine Finishing
Diamond Cross Super Fine Finishing 1000Grit
Super Fine Finishing