Features: the contaminant wouldn't be jammed easily to the chink of the pads. Can be used by dry or wet process. Flexible and comfortable to uneven and irregular surfaces, and prevents cutting of the work piece. Outperform steel wood, wire brushes and sandpaper. Application: cleaning surfaces-removing rust, oxides paint, discoloration and other surface contaminants. Impart and blend cosmetic finishes on various metals. Deburring of metals, plastics, and edge breaking of wood is done quickly and economically.