experts estimate BBW as 3000 - 4000 JIS

During break-in period (no lapping)

Use loose silicon carbide powder of progression F120 -> F400 -> F2000

Breeze stones are universal and can be used to sharpen knives of any steel

Net weight: 11 oz (311 g)

chisel attachment for hapstone new-variants experts estimate BBW as 3000Chisel 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.