The conformable, alumina zirconium 3M™ Flap Disc 546D offers versatility in application and can be used with a variety of metals. It is constructed on a durable, X-weight cloth backing designed for fast cut on light duty grinding and finishing applications. The 3M™ Flap Disc 546D provides high cut rates, long life and is resin bonded for heat resistance. 3M™ Flap Discs offer an unbeatable system for grinding and blending in one easy step. The construction wears away, exposing fresh mineral to extend disc life and provide consistent cut rates. Great for weld grinding, blending, deburring, rust removal, surface prep and edge grinding on all types of metals. Flap discs feature a flexible X-weight backing that is designed for fast cut on light duty grinding and finishing applications. Available in both T29 or T27 constructions with or without the 5/8–11 hub.