The Milwaukee® 49-94-2000 is a 5-pack of 2 in x 0.04 in x 1/4 in cut-off wheels. Rated for a maximum of 21000 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 in 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, Multi-Grade, 2 in Wheel Diameter, 0.04 in Wheel, 1/4 in Center Hole, 60 Grit, Aluminum Oxide Abrasive, 21000 RPM Maximum, Resin Bond, Applicable Materials: Metal, Steel and Stainless Steel, For Use With: M12 FUEL™ 2486-20 1/4 in Die Grinder and Other Cut-Off Tools with 1/4 in Arbor, Reinforced: Yes