Sanding Belts for Power Sanders Pack of 10 Premium quality sanding belts. Width: 40mm. Circumference: 305mm. Aluminium oxide construction. Fully resin bonded to X-weight backing cloth. Grit options: 40, 60, 80 & 120. Suitable for all 40 x 305mm belt sanders. Ideal for woodworking, paintwork, metal, and all types of preparation work. Other sanding belts, discs and sheets available in our shop.Specification: Size: 40 x 305mm Material: Abrasive Aluminium Oxide Grain Type: Aluminium Oxide Bond Type: Resin Abrasive Connection: Resin.