- The most common mineral for general purpose applications. Ideal for sanding on bare wood, metal, plastic and fiberglass. Also used to prepare primed and painted surfaces for finishing.
- The velour fabric laminated hook and loop backing allows for quick disc changes.
- Unlike PSA discs, hook and loop discs that are not completely worn out can be saved for future use.

3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50
Dynabrade 79981 5" Dia. x 320 Grit A/O Non-Vacuum PSA DynaCut Disc, 100/Box 
