RECOMMENDED USE: For use on Paint (Body filler, paint, primers),Metal (Ferrous metals), Aluminum (Non-ferrous metals) and Wood (Plastics, wood and fiberglass)FEATURES: Excels on wood and primed surfaces. Our best performing, longest lasting paper disc. Long lasting performance and fast removal rates for fine finishing of auto body, wood, metal, and marine applications. Premium aluminum oxide grain, premium Stearate coating and open coat structure lubricates and prevents loading. For Dry Use Only. "C" medium-weight, low flexibility paper backing. COMPATIBILITY: Disc SanderSPECIFICATIONS: 6" diameter, 240 grit, Hook & Loop (no holes)