Grit 60 Kent 6" Diam x 1.5" Wide Diamond Lapidary Jewelry Grinding WheelFor grinding or polishing gem stones, granite, marble, glass, tile or most natural or engineering stones.Great for cabbing and contour grinding.Can be used on all conventional grindersSpecifications: Diameter: 150mm (6 inch) Width: 38mm (1.5 inch) Diamond Grit: 60 Arbor: 25mm (1 inch), includes 3 plastic reducers for arbor sizes 19mm (3/4inch), 16mm (5/8 inch) and 13mm (1/2 inch).Quality : Premium AAA, made with high quality diamonds for longer grinding life and faster cutting.Hard plastic core wheel with electroplated rim.Electroplated (nickel bonded) diamond grinding wheels, with plastic center core.*** Plastic wheel and Reducers colors may be different from Picture ****** Please Note: Coolant is Recommended to Avoid Overheating of Tool or Material, Water is OK ***Also Available in Diameter Sizes: 6" and 8"( GLS - 446-60 )