Product details:

Straight grinding wheel, type 1, wheel type bench/pedestal, diameter 8 in, thickness 1 in, arbor size 1 in, abrasive material aluminum oxide, bond type resin, 24 grit, grade extra coarsemax. Rpm 3600, gray, for carbon steelincludes 5/8 in, 3/4 in. And 7/8 in. Arbor bushings aluminum oxidedesigned for general purpose off-hand grinding of a variety of steel types. Bench and pedestal grinding wheelsnortonuse very coarse to medium grit sizes for roughing applications and removing large amounts of material. Use fine and extra-fine grit sizes for finishing, deburring, and sharpening applications.