3M™, 7000000307, Lapping Film Roll, 50 ft Overall Length, 8 in Overall Width, 30 u Grit, Fine Grade, Diamond Coated Abrasive, Polyester Film Backing, Green, Applicable Materials: Ceramic, Hardened Metal, Carbide, Exotic Alloy and Composites
3M™ Diamond Lapping Film Roll 661X is made from precisely graded diamond particles coated on a polyester film. 3M film 661X provides a consistent, repeatable finish on extremely hard materials while delivering fast cut and increased throughput.