High performance and durability for shaping and polishing stainless steel and other metal finishing applications * Soft and conformable, like a very heavy felt pad, but still capable of shaping stainless welds * Abrasive mineral: fine grade silicon carbide * Center Hole: 1/2IN; Outside Diameter: 6IN; Thickness: 1/2IN * 3M Scotch-Brite EXL Unitized Wheel, 6 in x 1/2 in x 1/2 in 2A MED [PRICE is per WHEEL]