Rikon PRO CBN Bench Stone 8" x 3" 300/600 2 Sided

This PRO series bench stone is 8" x 3" and double sided. Grits are 300 and 600. These are CBN stones for ferrous metals. CBN - Cubic Boron Nitride abrasives is one of the hardest materials besides diamonds. These stones will put razor sharp edges on your hardest steel tools, gouges, chisels, plane blades and others. They cut quickly with minimum pressure, stay cool and never need dressing or shaping.