Mainly use for car polishing and buffing. Rich and uniform, fine porosity, have super elastic, toughness and water absorb ability. High strength ability, good plasticity, sharp and wear-resisting, good self sharpening. With the polishing liquid (paste, powder) used in conjunction with the surface to be polished to achieve better polishing effect. It can be used to drill, speed angle grinder, polishing machines. Material: Wool,sponge Color:Black&Yellow&Orange&White Size: Diameter: 4inch (100mm) 1 set includes: 1pcs Sticky plate 1pcs Flat sponge round 1pcs Wave sponge round 2pcs Wool ball 1pcs Connecting rod (10mm thread, 8mm shank ) Package include: 20 set x 4inch Car Polisher Polishing Waxing Pads Set Only the above package content, other products are not included. Note: Light shooting 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.