3M 05738, Perfect-It Foam Polishing Pad 1 pad per pack; Diameter: 8"; The 3M 05738, Perfect-It Foam Polishing Pad utilizes a 3M patented waffle face to minimize compound sling. Attaches to either backup pads part numbers 05717 or 05718. Fits all 5/8" shaft air or electric polishers. Salesman Notes: The 3M 5738 Polishing Pad is designed to work with 3M 6064, 3M 6065, 3m 5928, and 3M 5996 polishes.