* Allows quick changes of buffing pads * Makes it easy to change between compound and polishing pads * Provides a reliable connection between pad and polisher * Use with 3M™ brand compounding and polishing pads * 5/8" threads 3M™ Perfect-It™ Quick Connect Adapter makes it easy to connect or disconnect double-sided buffing pads on rotary polishers. Our heavy-duty adapter saves both time and effort in an automotive body shop by making pad changes so quick and simple. 5/8" thread.