Specifically designed for automotive paint and also works well on many other surfaces including: nonferrous metal, copper/brass/bronze alloys, steel, stainless steel, fiberglass, aluminum, putties, primer fillers, paints, acrylic paint, solid surface, and plastic. Revolutionary patented backing composed by fabric laminated with ultra-breathable flexible foam is compatible with dustless vacuum systems for a healthier working environment. Anti-clogging backing decreases work surface temperature and enhances resistance to clogging assuring for a longer lifespan and finishing quality without comparison. Discs are porous for total dust suction. Compatible with any hole pattern orbital sander. Money back guarantee.