Designed for final cosmetic finishing, these discs are made of premium quality buffing material. With compatible backing pads (SAIT-LOK-R or Hook and Loop), these discs can be used with angle grinder, disc sander or portable grinder. A slower speed achieves a better finish and reduces heat. For use with stainless steel and other high-tensile alloys or non-ferrous metals such as aluminum and brass. Hook and Loop style. Package of 10.