General description The 3M Xtract Cubitron II Paper Disc 732U is designed for efficient sanding and finishing applications. With its advanced Cubitron II technology, these discs provide a superior cut and longer life, making them ideal for a variety of materials. The 220+ grit ensures a fine finish, suitable for both wood and metal surfaces. Technical specifications Diameter: 127 mm Grit: 220+ Weight: C-Weight Pack size: 50 discs Other information For optimal performance, it is recommended to use these discs with compatible sanding tools. The Cubitron II technology features triangular-shaped ceramic grains that fracture to create new cutting edges, enhancing the sanding process.