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.
| Abrasive Mineral Type | Ceramic Aluminum Oxide |
| Backing Type | Paper |
| Flexible | Yes |
| Grit Grade | 80 |
| Manufacturer Part Number | 7100363495 |
| Sanding Method | Machine |
| VMRS Code | 053010001 |
| Wet or Dry | Dry |
| All Purpose Use | Coating Removal, Dent Prepare, Filler Shaping, General Purpose Sanding, Hand Sanding, Paint Removal, Paint Sanding, Primer Sanding, Shape and Sand Filler or Putty, Surface Preparation |
| Diameter | 6.0 in |
