Diamond Cutting Wheel, 10PCS 1/8" Diamond Cutting Discs Cut-off Wheel Blades Set For Dremel Rotary Tool by Lukcase Designed for Dremel Wen ect. Rotary Tools .Turn your Dremel or other rotary tool into high-speed cut-off saw & grinding machine Steel wheels have 200-grit industrial diamond permanently brazed to surface Hardest cutting/abrasive material available for use with glass, tile, stone - even hardened steel Shank Diameter:3.00mm, Wheel diameters 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/2"; solid and with vent holes Each with 1/8" x 1-3/4" mandrel & screw; includes bit holder case with clear cover