3M 3in hook it pad

Features and Benefits:

• Dust extraction HookitT back up pad (clean sanding) is constructed on foam material
• Hookit disc pad enables easy sanding disc change-out; maximizing disc life
• Firm foam design provides yield for consistent grit application
• Adapters allow operators to attach the pad to a variety of tools; expanding the range of discs and sanding equipment
• Back up pad itself has a 5/16-24 internal thread

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.