3M™ Microfinishing Film Roll 372L, 40 Mic 5MIL, 0.472 in x 900 ft x 1-1/4 in (12mmx274.25m), Coreless, ASO, End Roll Mark Black Sheets & Rolls 3M SKU: 7010493712

3M SKU: 7010493712

3M SKU: 7100204006

3M SKU: 7100133807

3M SKU: 7100223907

3M SKU: 7100191104

3M™ Microfinishing Film Roll 372L, 40 Mic 5MIL, 0.472 in x 900 ft x 1-1/4 in (12mmx274.25m), Coreless, ASO, End Roll Mark Black Sheets & Rolls 3M SKU: 70104937123M SKU: 7100200934 Lead Time: ~8 days Our 3M Microfinishing Film Roll 372L features micron graded premium aluminum oxide bonded to a 5 mil polyester film backing to deliver uniform results and meet stringent surface requirements. A friction grip coating provides slip resistance for microfinishing machines where film slippage is an issue, and close tolerance work on cylindrical surfaces, such as automotive camshafts and crankshafts. Available in a