These buffing and polishing pad kit includes sponge pads, woolen buffer pad and 1 pcs thread drill adapter with shank. POLISHING AND DRILL ADAPTER: Provides a rich swirl-free high gloss finish, can be used to pneumatic or electric polishing machine, Polishing before the procedure can handle the traces.The back of the disk has velcro, so you can easily change the the sponge or woolen buffer pad.