Segment Cup Grinding Wheel Abrasive Material Diamond Connector Size 5/8 In.-11 Connector Type Threaded Hole Compatible Tool Type Angle Grinder Concrete Planer Primary Material Applicationn Concrete Masonry Number of Segments 45 Overall Diameter 7 in Segment Design Turbo Maximum Operating Speed 8 500 RPM Abrasive Depth 1/4 in Overall Thickness 1 9/16 in