The Milwaukee® 49-94-3000 is a three pack of 3 x 0.04 x 3/8 in cut-off wheels. Rated for a maximum 20000 RPM this wheel is an ideal solution for cutting stainless and other metals quickly and efficiently. Milwaukee® comprehensive offering of grinding and cutting wheels consists of 45 unique products ranging in diameters from 3 to 14 in with arbor configurations of 3/8 in, 7/8 in, 20 mm and 5/8 in Milwaukee® abrasive offering provides products ranging from general purpose to specialized high performance applications. Milwaukee® Cut-Off Wheel, 3 in Wheel Diameter, 0.04 in Wheel, 3/8 in Center Hole, A60 Grit, Aluminum Oxide Abrasive, 21000 RPM Maximum, Applicable Materials: Metal and Stainless Steel, For Use With: M12 FUEL™ 3 in Cut Off Tool