3M Hookit Blue Abrasive Disc 36502, 40E, 5 in (125 mm), No Hole, 4 Cartons/Case, 7100363673

• Excellent cut rate and performance
• E-weight paper backing is highly durable and withstands wear, pressure and damage
• Easy and reusable hook-and-loop system
• Available in a variety of sizes and grades.

3M Hookit 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 3M Hookit 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 Hookit™ system features hook-and-loop attachment for easy, reusable application.