3M™ Hookit™ Blue Abrasive Sheet Roll 521U is a paper-backed abrasive sheet roll with excellent performance and cut. It is available in a range of grades. The convenient sheet roll format can be sized as required.
Use the 3M™ Hookit™ Blue Abrasive Sheet Roll 521U for sanding on collision repair substrates like paint, primer, metal and composites. It is a fast-cutting paper-backed sheet roll with durable E-weight paper backing for excellent cut and long lasting performance. The Hookit™ system features hook-and-loop attachment for easy, reusable application.