New and improved quality Classic foam pad with deep-dish bowl design! Use one backing plate for both wool and foam. Rounded edge substantially reduces risk of burning painted surface from the edge of the backing plate. More defined rigid construction allows for increased durability, easy self-centering of hook backing plate, better control with high speed buffing action. The White foam is a very aggressive heavy cut that works fast on heavily oxidized or pitted paint finishes. Removes wet sand scratches. Popular where speed is vital.