RIKONs PROseries double-sided sharpening stones features CBN (Cubic Boron Nitride) abrasives, one of the hardest materials besides diamond! No water is required to put razor sharp edges on your hardened steel tools knives, chisels, gouges, and other cutting blades. 3 different double-sided CBN stones are available to take you through the full edge sharpening process 150/250 grits, 300/600 grits and 400/800 grits. A perfect pairing of grits to shape and put sharpened edges on tools. CBN stones measure 7-7/8 x 3 x 3/8 (200mm x 75mm x 10mm) with grit sizes etched on the side of the steel stone for easy identification. CBN abrasives are for sharpening hardened heat[1]treated steel only. Using soft carbon steel, aluminum or other soft metals will ruin the abrasives and void the warranty. Stones are packed in cardboard boxes for safe storage and transporting.

• 82-1525 RIKON PROseries CBN Bench Stone 8 x 3 150/250 Grit Double Sided
• 82-3060 RIKON PROseries CBN Bench Stone 8 x 3 300/600 Grit Double Sided
• 82-4080 RIKON PROseries CBN Bench Stone 8 x 3 400/800 Grit Double Sided