Grinding Wheel Abrasive Depth 1/8 in Abrasive Material Diamond Back Thickness 1/2 in Concentration 75 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 5 in Overall Thickness 1 3/4 in Rim Thickness Not Applicable Series Not Applicable Specification ASD150-R75B105-1/8 Wheel Type Type 11 Maximum Operating Speed 7 260 RPM