Walter Surface Technologies ALLSTEEL™ Chopsaw Wheel, Long Lasting, Series: 10-W, 12 in Wheel Dia, 3/32 in Wheel Thickness, 1 in Center Hole, A-30 Grade, 5100 rpm Maximum, Applicable Materials: Stainless Steel and Steel, Wheel Type Number: Type 1, For Use With: Thin Walled Profiles to Heavy Solids, Portable Chopsaws and Thin Walled Shapes to Solid Shaft