The 3M Green Corps Roloc Abrasive Sanding Disc is a set of 25 3-inch discs with 80 grit aluminum oxide abrasive material. Designed for use with Roloc sanders, these green discs are suitable for various sanding applications. With a voltage of 20,000 rpm, these discs provide efficient sanding performance. The 3M brand ensures quality and reliability, making it a trusted choice for workshop and home improvement projects.