Our 3M Stikit abrasive disc backup pads perform across a large variety of auto body sanding jobs from low speed polishing and grinding to shaping plastic filler. Durable foam construction and tapered edges maximize performance with 6 in or 8 in Dia. 3M Stikit abrasive discs (sold separately). Pads work as part of the 3M Stikit system for fast disc changes, optimizing time and disc life.