Product Details: The Milwaukee 49-94-3000 is a three pack of 3 in. x .040 x 3/8 in. cut-off wheels. rated for a maximum 20,000 RPM this wheel is an ideal solution for cutting stainless and other metals quickly and efficiently. Milwaukee's 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's abrasive offering provides products ranging from general purpose to specialized high performance applications.