Professional double-sided diamond bench stone, developed by James Barry for sharpening woodworking tools. Professional double-sided 6" diamond sharpening stone.  Supplied in a soft carry case with a non-slip mat. Details: Width: 50mm (2") Length:152mm (6") Grit: 1000 & 300 Use James Barry Lapping fluid to gain your 5 year Guarantee James Barry stones are guaranteed for 5 years if you use this lapping fluid. 6" x 2" (152 x 50mm) extra fine and coarse 1000 300 grit. Precision ground substrate ground to +/- 0.005" making it perfect for plane irons and chisels up to 50mm wide. Clearly marked grit sizes on the stone's surface for ease of recognition. This is the most popular size for the woodcarvers and features a continual diamond surface either side ensures a clean smooth feel when honing and prevents any snagging of smaller cutting hand tools. Note: For woodcarvers ensure you use a leather strop and the James Barry Mirror Paste to achieve an unbelievable polished finish. Important Technical Information: The diamond is electroplated directly onto a precision ground substrate. Both sides are electroplated onto the same precision ground substrate giving the best possible flatness.  Ensure that you use the James Barry Sharpening lapping fluid, the original fluid introduced into the Woodworking Industry by James Barry sharpening  Solutions some 30 yrs ago. Lapping fluid is a synthetic based petroleum lubricant formulated to be used with diamond compounds.   This superior lubricant, with its penetrating qualities and oil/water solubility, not only increases the cutting action but assures superior lubrication of every diamond particle throughout the honing process.  Following the success of Lapping fluid, it has been copied and companies have tried to reproduce the original formula. The only brand now selling the original product is James Barry Sharpening.