3M 661X Lapping Film Roll, 8 in W x 50 ft L, 30 Micron Grit, Extra Fine Grade, Diamond Abrasive

3M Lapping Film Roll, 50 ft Length, 8 in Width, 30 Micron, Extra Fine, Diamond Abrasive, Polyester Film Backing, Green, Applicable Materials: Ceramics, Hardened Metals, Carbide, Exotic Alloys and Composites Applicable

• Precisely graded diamond particles coated on a polyester film
• Provides a consistent, repeatable finish on extremely hard materials