The product is a B&J Golden Air Retread Tire Buffer Repair Donut Wheel with a 16 grit level and 5/8 Arbor Hole size. It is designed for use in buffing and grinding processes associated with retread tires. The manufacturer part number is TDW-310-16-58, and it does not come with a warranty. This tool is specifically made for tire repair and maintenance tasks, offering reliability and efficiency in the automotive industry. 5" Dia. 1" Wide 5/8 Arbor Hole 16 Grit. Tobey sidewall crown buzz out B&J Carbide cutting wheel. BANDAG CUTCO retread buffing donut wheels. 16 grit and 36 grit with 3/4 A.H. See new pictures