3M™ Diamond Lapping Film 661X, 6.0 Micron Sheet, 8.5 in x 8.5 in, 10/Inner, 100/Case

3M™ Diamond Lapping Film Sheet 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.