Segment Cup Grinding Wheel Abrasive Material Diamond Connector Size 5/8 In.-11 Connector Type Threaded Hole Compatible Tool Type Angle Grinder Concrete Planer Cup Grinder Primary Material Applicationn Concrete Masonry Number of Segments 16 Overall Diameter 4 1/2 in Segment Design Double Row Maximum Operating Speed 13 300 RPM Series X100 Abrasive Depth 5 mm