3M MMM20427

Features and Benefits:

• Dust extraction Hookit™ back up pad (clean sanding) is constructed on foam material

Back up pad itself has a 5/16-24 internal thread, and the kit includes 5 adapters that convert it to 1/4-20 external threads, 1/4-20 iInternal threads, 1/4-28 external threads, 5/16-24 external threads, or 6mm-1.0 external threads.