Hapstone Premium CBN Narrow Grit:80 grit (200/160 µm) shear-thinning formula refluidizes when the

shear-thinning formula refluidizes when the lock mechanism clicks into place

The Edge-On-Up DoubleX Test Medium provides a standardized and dependable method for measuring sharpness

run the stone over the surface of the sharpening stone several times

The CMR-free formula improves safety

as the glass base can slide on the surface

Hapstone Premium CBN Narrow Grit:80 grit (200/160 µm) shear-thinning formula refluidizes when theHapstone Premium CBN Sharpening Stones Narrow CBN stones with smooth cutting action for controlled knife sharpening without changing the sharpening angle. Cutting Smooth CBN action Cubic boron nitride works efficiently while leaving a cleaner scratch pattern than sharper, more aggressive abrasive structures. Bonding Durable, softer feel The metal organic bond is close to metal bonds in wear resistance, while giving the stone a softer and more