If you want to buy a kit shown in TSPROF videos

For grits above F800

Diamond Compound consists of synthetic diamond powder

The weight is 7

If you keep your entire collection 3 mm thick

venev centaur series dual side resin cbn 6 x 1 Grit:240 + 400 If you want to buyVenev Centaur Series Dual Side Resin CBN are used for sharpening knives on Hapstone, TSProf, and all Edge Pro compatible guided sharpening systems, as well as freehand sharpening. CBN (Cubic Boron Nitride) is the second hardest material after diamond. CBN sharpening stones offer excellent performance in sharpening knives of any steel. Centaur Series is dual side sharpening stone with two 1 mm thick CBN bearing layers on the aluminum plate. CBN layers