Specially designed and manufactured for durability, performance and value. The construction of this pad include select polishing grade foam to provide for quality polishing and final finishing. Pads are washable for repeated use and feature a loop backing which speedily attaches to a hook backing plate. Must be used with a Porter Cable 742XP Random Orbit Polisher or similar machine and Bright Work Polish. We have found these pads remove the swirl marks from initial polishing with high speed buffers and can help achieve a swirl free finish. When used as a middle step between high speed polishing and final finishing with a swirl eliminator bonnet, these foam pad provide a final finish that is outstanding.