Use on: Use on aluminum, carbon steel, fiberglass, gelcoat, composites, softwood, hardwood and solid surface. Also AOEM finish.Feature: Premium aluminum oxide mineral is durable, cuts fast, and performs well on many surfaces Strong, C-weight paper backing.supports aggressive sanding with extra durability compared to lighter weight paper backing. Open coat construction and load-resistant coating prevent premature loading of the disc surface to maximize cut and extend abrasive life.We make a full range of abrasive products,we also have  drill brush, rubber Sanding Belt cleaning block, abrasive Clean And Strip Disc, sanding belt, Nylon Sanding Belt, Abrasive Sanding Belt, Power Tools , Plastic Backing Pad, Abrasive Flap Disc, Flap Disc , Mini Flap Disc, Flexible Flap Disc, electric angle grinder, Abrasive Related Products .