3M 36561 3M™ Stikit™ 50PK Blue Abrasive Disc 36561, 40E, 6 in (150 mm), No Hole, 3M Model No.7100363674

3M™ Stikit™ Blue Abrasive Disc 521U is a paper-backed abrasive disc with excellent performance and cut. It is available in a range of grades and sizes. Use the 3MStikit Blue Abrasive Disc 521U for sanding on collision repair substrates like paint, primer, metal and composites. It is a fast-cutting paper-backed disc with durable E-weight paper backing for excellent cut and long lasting performance. The Stikit system features a pressure-sensitive adhesive coating for easy attachment and removal.