columbia gorge stoneworks 8 x 3 resin bonded diamond Micron Grit:160 These 3 stones are the

These 3 stones are the best Boride stones for sharpening knives

Diamond stones offer excellent performance in sharpening knives of any steel

W8 8000 should be used with water as a lubricant

experts estimate Jasper as 8000 - 10000 JIS

Grit terminology is not applicable to natural sharpening stones

columbia gorge stoneworks 8 x 3 resin bonded diamond Micron Grit:160 These 3 stones are theColumbia Gorge Stoneworks, Inc. operated by David Scott, the developer of Edge Pro Matrix diamonds, introduced a full line of resin bonded diamonds for knife sharpening. CGSW Resin Bonded Diamonds virtually don't wear with proper use and are easy to dress when needed. Since they don't break down themselves while sharpening the only mess is the water and swarf from your knife. CGSW Resin Bonded Diamonds is a premium level diamond series utilizing CNC