Long lasting, general Purpose grinding wheels for bench grinders and pedestal grinders. Tough aluminum Oxide grain for optimum performance at a reasonable cost. Size: 6" x 3/4" grit: medium Arbor: 1-1/4" Arbor adaptors: 1/2", 5/8", 3/4" and 1" maximum RPM: 4, 100 at k-t Industries we strive to make things simple and easy for our customers. We are dedicated to delivering high quality products at competitive costs. We strive for Mutual sales growth and two-way communication with our customers. Service always comes first. sockets and accessories, adjustable wrenches and combination wrenches. screwdrivers and screwdriver tips, impact drivers, pliers, torque wrenches, hammers, threading and cutting tools, crimping tools, pipe wrenches, gear pullers, porta pullers and clip holders. K-t Industries will repair or replace, without charge. directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities or a lack of maintenance.