For scuffing before applying paint and primer-surfacer. Also used for used car reconditioning. cleaning upholstery, headlines and door pads, chrome and white wall tires. Rinses clean and does not rust. Can be used over and over again. Box contains 20 pads. At this time we are not able to offer a discount on one item. Shipping is the biggest issue and we try to be as competitive as possible with our listings. If you are looking to purchase multiple items please feel free to make an offer.