Shapton 320 grit (45.94 micron) GlassStone Roberts & Lee Dorchester Canadian Distributor DIN 875/00 accuracy translates to

DIN 875/00 accuracy translates to a squareness of better than 0

The pattern maker’s vise will hold objects up to 150mm (6”) wide

Three sizes are available: 3/16"

smooth cutting riffler

which is the same as that for standard engineers squares

Shapton 320 grit (45.94 micron) GlassStone Roberts & Lee Dorchester Canadian Distributor DIN 875/00 accuracy translates toThis 320 grit (45. 94 micron) GlassStone (50301) is coarse, so is ideal for tasks requiring faster material removal such as initial shaping, establishing primary bevels or flattening the backs of plane irons and chisels. 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