3M ROLOC GRINDING DISC 988R - A premium Cubitron mineral on a unique one-piece nylon backing for grinding and deburring carbon steel, cast iron, aluminum and other non-ferrous metals. Integrated button and backing help ensure button is centered and will not delaminate. Primary market: Metalworking. Discs are 3" in diameter. Sold by the disc. 50 discs in a box. 4 boxes per case.

NOTE: For use with 3M Roloc Backup Pads PN#'s 45090 or 45091