Depressed Center Cut-Off Wheel Abrasive Material Aluminum Oxide Connector Size 5/8 In.-11 Connector Type Threaded Hole Grit 60 Overall Diameter 6 in Overall Thickness 0.045 in Primary Material Applicationn Cast Iron Concrete Masonry Compatible Tool Type Angle Grinder Series A60T Wheel Type Type 27 Maximum Operating Speed 10 100 RPM Grade Medium