- 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 13767, Scotch-Brite EXL Unitized Wheel, XL-UW, 8A Coarse, 3 in x 1/2 in x 1/4 in, 7010365791
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated 
