Grinding Wheel Abrasive Depth 1/8 in Abrasive Material Diamond Concentration 100 Connector Size 1 1/4 in Connector Type Unthreaded Hole Grit 150 Compatible Tool Type Tool and Cutter Grinder Primary Material Applicationn Ceramic Composite Glass Natural Stone Plastic Overall Diameter 6 in Overall Thickness 1/2 in Specification SD150-R100B99-1/8 Wheel Type Type 1 Maximum Operating Speed 6 050 RPM Bond Type Resin Grade R