Set includes 16 x 3-inch polishing pads, 3 wool pads, 3 screws and 3-piece threaded bit adapters to meet various polishing needs High quality material: High-density wool sponge and pad manufacturing, excellent water absorption, better polishing adsorption professional polishing wool and foam pad system for effective cutting and polishing of the auto-oxidation layer the most difficult scratches can be used for pneumatic or electric polishing machine sponge Available in various colors and softness, suitable for rough polishing and small areas.Note: The data is all measured manually, please allow 1 error to 3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.Note: The data is all manually measured, please allow 1-3cm error , due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.