3M BACKING PAD 3"

This dust extraction Hookit (Hook & Loop) Clean Sanding back up pad is constructed on foam material. The backup pad itself has a 5/16-24 internal thread, and the kit includes five adaptors that convert it to.

 

1/4-20 external threads

1/4-20 internal threads

1/4-28 external threads

5/16-24 external threads

6mm-1.0 external threads.