3M™ 7000045172 3M Abrasive Scotch-Brite Roloc Abrasive Discs3M 405 051141 27710 Features Scotch Brite Roloc Abrasive Discs Disc life is significantly longer, completing more parts per disc and requiring fewer disc changes Grinding aid incorporated on the disc minimizes grinding temperatures for stainless steel and other heat sensitive alloys Roloc quick attachment system provides for easy disc changes between grades or applicationsAdditional Details Abrasive Material : Ceramic Abrasive Trade Name : Cubitron II