This is a never-been-used, Norton 7X3/4X5/8 57A46K5VBE Grinding Wheel.
This wheel is 7" in diameter, 3/4" thick, and has a 5/8" hole.
General Tool & Supply Company of Attleboro, Massachusetts has a huge selection of Norton proucts IN STOCK. When you need grinding wheels, abrasive belts, sheets, rolls, discs, or Bear-Tex proudcts, please give us a call at 1-800-322-0005. We may be able to fill your needs, and SAVE you MONEY.