The Milwaukee 49-94-4520 is a 4-1/2 in. x 1/4 in. x 7/8 in. Grinding wheel (Type 27). Milwaukee's comprehensive offering of grinding and cutting wheels consists of 45 unique products ranging in diameters from 4-1/2 in. to 14 in., with arbor configurations of 7/8 in., 20 mm, 1 in. and 5/8 in. 11. Milwaukee's abrasive offering is manufactured using three types of abrasive grains, aluminum oxide, silicon Carbide, and zirconia alumina, providing products for general purpose to specialized high performance applications.

Milwaukee® Grinding Disc, Type 27 Reinforced, 4-1/2 in Wheel Diameter, 1/4 in Wheel, 7/8 in Center Hole, 24 Grit, Very Coarse Grade, Aluminum Oxide Abrasive, Wheel Type Number: 27, 13580 rpm Maximum, Resin Bond, Applicable Materials: Ferrous Alloy, High Tensile Material, Metal, Stainless Steel and Wood, Wheel Hardness: R, Black/White Wheel, Reinforced: Yes