Firepower Steel 11 in Grinding Wheel Combo Kits Cordless ) 6 Actual Product Thickness ) 6 Actual Product Thickness (in ) 4 Compatible Pipe Size (in 7 Arbor Diameter 5 8 in Threads Per Inch 6 For Use with Concrete & Masonry No For Use with Aluminum Yes For Use with Tile No For Use with Stainless Steel Yes For Use with Ductile Pipe No For Use with Asphalt No For Use with Ferrous Metal Yes Package Quantity 1 Warranty 90 day CA Residents: Prop 65 Warning(s) No For Use with Cut Off Saws No For Use with Angle Grinders Yes For Use with Chop Saws No For Use with Circular Saws No RPM Heavy duty cup brushes with arbor adapters and threads to fit most grinders