White Dry Hook & Loop Sanding Discs are made with premium aluminum oxide grain. Hook & Loop Sanding Discs are comparable to Velcro™ sanding discs, they prevent clogging, anti-static, good flexibility, wear resisting, that provides outstanding life and superior finishes. It is commonly used on automotive, wood, metal, fiber glass and other disc applications. Disc grips to the appropriate back up pad attached to an orbital or DA disc sander or angle grinder. Hook & Loop Sanding Discs, 2" - 6" are available with or without vacuum holes.