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 28 Overall Diameter 4 in Segment Design Turbo Maximum Operating Speed 14 600 RPM Abrasive Depth 1/4 in Overall Thickness 1 1/4 in