- Coated with premium P grade aluminum oxide that is sharp and free cutting on a broad range of suraces and matrerials like hard and sof woods, plastics, fiberglass, composites and fabricated metals.
- The durable Cwt paper backing resist tearing and is still moderately flexible.
- A good choice for sanding a wide range of materials including wood, metal, aluminum, composites, solid surface materials and primed or painted surfaces.
- A non contaminating, non-loading coating resists clogging when sanding soft materials and coatings increasing disc life.
- The pressure sensitive adhesive coating allows for easy application and removal of the of the disc to any vinyl face back-up pad.

3M 20831, Hookit Clean Sanding Disc 216U, P320 A-weight, 3 in, Die 300LG, 7100112002
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor 
