Single Sided Black Foam Polishing Pad used to remove compound swirl marks and fine paint surface defects. Flat back design. For use with 3M™ maching polishes and 3M™ Hookit™ back up pads, part numbers 05717 or 05718. Proven performer. Convoluted foam face produces wheel/swirl free paint finish when used with 3M™ Perfect-It™ Machine Polish (06064 or 06065).