7 holes for dust-free sanding. Use for for rough featheredging. Could be used for final sanding of plastic filler and putty. Recommended back-up pad Part Number 05865.
Fine Results for Medium-Coarse Sanding The 6-hole pattern on select versions of 3M™ Hookit™ Gold Disc 236U facilitates dust evacuation, especially when used with a vacuum system. This design doesn’t even require alignment of holes with the disc pad, making disc changes quick and simple. About Aluminum Oxide Abrasive Durable from Front to Back
Resists Dust and Debris
About Our Hookit™ Attachment System
3M offers a complete line of hook-and-loop style Hookit™ discs for work spaces where adhesive backed discs may become contaminated by dust, dirt, or flying debris. Hookit™ sanding discs conveniently and firmly attach to a hook-and-loop backup disc pad (sold separately) on a random orbital sander, can be removed cleanly and easily, and can be re-used again and again for the extent of the abrasive life.