Shapton 4000 grit (3.68 micron) GlassStone shinwa measuring tools They also work very well

They also work very well in drill presses because they have a brad type point instead of a lead screw

5 mm thick

The cloth can be stored in a ziploc bag when not being used

rather than regrinding the primary bevel

00031") along the entire length of the square

Shapton 4000 grit (3.68 micron) GlassStone shinwa measuring tools They also work very wellThis 4000 grit (3. 68 micron) GlassStone (50103) is a medium grit, so cuts quickly but leaves a fairly fine finish. The Shapton GlassStone HR series of ceramic sharpening stones are the most advanced series of stones that Shapton makes they are designed to cut both modern tool steels and high carbon steel very quickly, but wear very slowly, so don't need to be flattened as often as most waterstones. The stones have a 5 mm thick layer of very