General description 3M Xtract Cubitron II Paper Disc 732U is designed for efficient sanding and finishing applications. This product features a unique triangular-shaped ceramic grain that cuts faster and lasts longer than traditional abrasives, making it ideal for a variety of surfaces. The 127mm diameter discs come in a pack of 50, providing excellent value for both professional and DIY users. Technical specifications Diameter: 127 mm Weight: C-Weight Grit: 320+ Pack size: 50 discs Other information