Small and very durable, 3M Green Corps Abrasive Disc has multiple features built in to make grinding jobs easier and faster for collision repair professionals. Self-fracturing aluminum oxide abrasive stays sharper longer and is available in very coarse grits to handle the toughest jobs. Discs are green in color with durable cloth backing. Convenient Roloc quick change attachment system makes it easy to switch between grades and jobs in seconds, including a color-coded button that identifies the grade of the disc for accuracy as well as speed. Disc is a coarse grinding disc for removing paint, rust and welds in collision repair. Its small diameter makes it especially useful in hard-to-reach areas. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.