Charnley Forest stones are made of novaculite

and tactical knives

WD-40 (for experienced users only)

It's essential to keep the sharpening angle consistent using digital angle gauge

Suehiro W8 8000 sharpening stones are used for finish sharpening knives on Hapstone and Edge Pro knife sharpeners

lbb pivot hapstone m2 Charnley Forest stones are madeThe Linear Ball Bearing Pivot Unit is an optional upgrade for the first revision of Hapstone M2 utilizing PTFE insert. The linear ball bearing provides extra smooth shaft movement and requires no lubrication or cleaning. One of the best selling points of flagship Hapstone R1 comes to Hapstone M2. The second revision of Hapstone M2 implements the linear ball bearing pivot unit. Owners of Revision 1 can purchase the linear ball bearing pivot unit