3M 05737 Perfect-It 8" Foam Compounding Pad
High Performance Single Sided Foam Compounding Pad.  Refines P1200 or finer sand scratches. Unique inset design.  For use with 3M Compounds and 3M Hookit back up pads, PNs 05717 or 05718.  The Perfect-It brand means this is 3M's highest performing single sided foam compounding pad.