Removes fine paint defects including compound swirl marks Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece. Double - sided soft edge pads protect body and style lines Single - side pads feature hook and loop attachment for fast change - outs Works with 3M polishes for consistent performance on composite finishes 3M™ Wool Polishing Pads combine the fast, sharp cut of wool with fine blended fibers for attaining high gloss on composite surfaces during auto body repair. Our double - sided pad features a soft edge to protect body lines, and firm, lightweight center support for consistent contact with the surface. Our single - sided pad has hook and loop attachment for fast change - outs on multi - stage applications.