Select II are universal but designed to sharpen the hardest steels

Up to three segments can be connected in series

The minimum width of the knife is 20 mm

the word "New" is miscarried because it may you think "Old" Cerax is bad

hapstone premium diamond stone 6 x 1 Grit:8000 Select II are universal butHapstone Premium Diamond is a new series of diamond stones for sharpening knives using guided knife sharpeners (Hapstone, TSPROF, and other Edge Pro compatible sharpening systems). Hapstone Premium Diamond utilizes advanced hybrid metal organic binder composite of traditional copper tin alloy and polymer components. Hybrid binder inherits exceptional wear resistance and cutting performance of metallic binder. Hapstone Premium Diamond consists of a 3