Wool ball can improve the efficiency and effect of polishing. Mainly used for all kinds of furniture, automobile manufacturing, automobile wheel hub, the final polishing procedures of copper, hardware, specialize in fine polishing surface and parts. Use with polishing liquid, paste, powder, the polished surface can achieve a better polishing effect; Advanced manufacturing technology, material selection, fine wool line texture is soft and elastic; -Good wool, elastic, material, environmental, not fur removal; Fit for the vast majority of pneumatic, electric grinding polishing machine in the market; Material: Wool Form: roundness Color: White Size: Diameter 180mm Thickness 20mm bore diameter 25mm Package Contents: 2 x Wool Buffing Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.