Phoenix Series Diamonds may have the flatness tolerance up to 0

May have slight natural imperfections and a color pattern

CGSW products are truly American-made

Stones mounted on aluminum blanks are thicker than stock KME stones

Note: The range of the sharpening angle may vary depending on the kits

columbia gorge stoneworks 6 x 2 resin bonded diamond bestseller Phoenix Series Diamonds may haveColumbia 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