Grinding Wheel Abrasive Depth 1/16 in Abrasive Material Diamond Back Thickness 7/16 in Concentration 75 Connector Size 1 1/4 in Connector Type Unthreaded Hole Grit 120 Compatible Tool Type Tool and Cutter Grinder Primary Material Applicationn Ceramic Composite Glass Natural Stone Plastic Overall Diameter 6 in Overall Thickness 3/4 in Rim Thickness 3/4 in Series B99 Specification ASD120-R75B99-1/16 Wheel Type Type 6 Maximum Operating Speed 6 050 RPM Bond Type Resin