Grinding Wheel Abrasive Depth 1/4 in Abrasive Material Diamond Concentration 75 Connector Size 1 1/4 in Connector Type Unthreaded Hole Grit 100 Compatible Tool Type Tool and Cutter Grinder Primary Material Applicationn Ceramic Composite Glass Natural Stone Plastic Overall Diameter 7 in Overall Thickness 1/2 in Specification ASD100-R75B99-1/4 Wheel Type Type 1 Maximum Operating Speed 5 185 RPM Bond Type Resin Grade Standard