Buffing Pads are made from 100% wool with a 1-1/2 inch pile. These pads can be used for all of your brightwork and paint polishing needs and will cut through oxidation quickly and wear evenly for extremely smooth polishing. These buffing pads can also be washed and re-used multiple times. They do have a velcro backing and are designed to be used with a threaded nut or a Velcro backing plate.