F150 + F400 OCB

and bonded diamonds

Chosera is a high-end series from Naniwa made of aluminum oxide with the magnesia binder

Master 📐Scale range: -44°

Spring-assisted stoppers

charnley forest stone edge pro F150 + F400 OCBCharnley Forest Whetstone for Edge Pro is cut from authentic vintage. Charnley Forest (Charnwood) stones are very rare sharpening stones. Only one stone is selling at any moment. Gritomatic guarantees authenticity. Charnley Forest is used for super finish sharpening knives on Hapstone or Edge Pro knife sharpener. Charnley Forest is novaculite, a naturally abrasive material of high density. Charnley Forest stone is mounted on a high quality aluminum