This is the one that everyone has been talking about.
This is the one you have been looking for, the impossible to find 3M 09553 Rotary Backing Plate that no one has in the US. We stock them and they go fast one of our most desired products on in the store. Pick one up for smooth sailing paint correction and polishing.
3M 09553 Perfect-it Rotary Backing Plate with their 5/8" x 11 spindle threaded rotary polishers for compounding, polishing, and finishing work.
Here is a picture of the backing plate on a Makita 9227 plus a low profile pad (5.5 inch)