Shapton 4000 grit (3.68 micron) GlassStone shinwa measuring tools The HSS is ideal if

The HSS is ideal if you plan to reverse the blade to bevel up and use it as a scraper since it will hold up better under heat

These stainless steel knife edge squares are made to the highest Class 00 accuracy according to German Standard DIN 875

00031") along the entire length of the square

rather than regrinding the primary bevel

The primary bevels are ground at 25 degrees

Shapton 4000 grit (3.68 micron) GlassStone shinwa measuring tools The HSS is ideal ifThis 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