Grinding Wheel, Abrasive Depth 1/8 in, Abrasive Material Diamond, Concentration 100, Connector Size 1 1/4 in, Connector Type Unthreaded Hole, Grit 220, Compatible Tool Type Tool and Cutter Grinder, Primary Material Application Ceramic, Composite, Glass, Natural Stone, Plastic, Overall Diameter 6 in, Overall Thickness 1/4 in, Specification SD220-R100B99-1/8, Wheel Type Type 1, Maximum Operating Speed 6, 050 RPM, Bond Type Resin, Grade R. This item has been restricted from sale in the following state (s): []