Aluminum Grinding and Polishing Set, 4-1/2" Diameter, 7/8" Arbor, Silicon Carbide & Nylon Wheels, Compatible with Angle Grinder$$Tools

The grinding wheel is made with high quality silicon carbide, resin bonded. The polishing wheel is made with non woven nylon web, convoluted ,2S Fin. All with Diameter: 4 1/2 inch ; Hole size:7/8 inch Includes: 2pcs grinding wheel + 1pc polishing wheel Designs for grinding and polishing aluminum ,copper, non-ferrous