Boron Nitride is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN

F 400 to F 2000 utilize OCB binder

This extends the clamping options for knives with long blades or with thin and flexible blades

a convenient and straightforward clamping approach (using one key only) is an important feature

chisel attachment for hapstone new-variants Boron Nitride is a thermallyChisel Module is an optional attachment for sharpening chisels and planer blades on Hapstone modular sharpeners. The module is mounted on the pedestal of the Hapstone Platform and is fixed with two screws. Sharpening angle 11 to 45 degrees. Maximum width 71 mm. Note. When using on Hapstone RS, chisels should be clamped off center.