3M™ Microfinishing Film Roll 372L, 30 Mic, 5MIL, 7-7/8 in x 328 ft x 3 in (200.02mmx100m), Keyed Core, ASI, 1 ea/Case

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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.