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 various materials including wood, metal, and composites. Each pack contains 50 discs, ensuring you have plenty on hand for your projects. Technical specifications Diameter: 127 mm Weight: C-Weight Pack size: 50 discs Grit: 180+