3M Stikit Red Abrasive Sheet 316U delivers best-in-class performance at a very high value in collision repair. It features aluminum oxide, our longest-lasting, fastest-cutting abrasive, on A-weight or durable D-weight paper backing. These sheet rolls are ideal for projects from filler shaping to featheredging to paint prep and finish. 3M Stikit attachment makes disc change-outs fast and easy.