3M™ 051144-50021 Lapping Film Sheet, 8-1/2 in W x 11 in L, 30 micron Grit, Fine Grade, Silicon Carbide Abrasive, 3 mil Polyester Film Backing
50 SHT/INR
3M™ 051144-50022 Lapping Film Sheet, 8-1/2 in W x 11 in L, 12 micron Grit, Aluminum Oxide Abrasive, Film Backing
50/INR