All Sigma Power Ceramic stones are 5-6 mm thick and are mounted on high-quality aluminum blanks

such as: ZDP-189

Edge Pro 600

Charnley Forest stones are made of novaculite

The stone itself should be used as a measurement tool

breeze 4k stone edge pro All Sigma Power Ceramic stonesBreeze semi natural sharpening stones are used for finish sharpening knives on Hapstone and Edge Pro knife sharpeners. Breeze stones are unique. They are made of milled natural quartz with particle size 3 micron, delivering 4000 grit. Breeze stones are 6 mm thick and are mounted on high quality aluminum blanks. Breeze sharpening stone can create very uniform cutting edge without a pronounced scratch pattern. Breeze stones are universal and can be used