3M™ Microfinishing Film Belt 372L, 30 Mic 5MIL, 6 in x 48 in Brushes It features a proprietary multi-hole

It features a proprietary multi-hole Clean Sanding pattern that evacuates dust better than traditional sheet products — dramatically increasing sheet life

Green Corps™ abrasives are built on E weight backing to make them extremely durable for sanding paint

3M SKU: 7100235783

3M SKU: 7010497986

3M SKU: 7010361774

3M™ Microfinishing Film Belt 372L, 30 Mic 5MIL, 6 in x 48 in Brushes It features a proprietary multi-hole3M SKU: 7010509436 Lead Time: ~8 days Our 3M Microfinishing Film Belt 372L is designed to help you get the finest finish possible, and is available in a wide variety of forms. It features micron graded aluminum oxide abrasive bonded to a durable polyester film backing to produce a fast cut rate and uniform finish on composites, plastic, fiberglass and metal. Closed coat construction provides good grain density and helps deliver a finer finish. Durable