Brand Name: 3M | Grade: Coarse | Grit: 50 Grit | Length: 21 in. | Material: Ceramic | Number in Package: 1 pk | Sub Brand: SandBlaster | Usage: Multi Surface | Width: 3 in. 3M Premium sanding Belts are ideal for use on many surfaces, including wood, metal and fiberglass. Premium power tool abrasives were designed especially for high speed power tool sanding. This sanding belt was specially developed for coarse sanding, leveling or stripping. The heavy duty cloth backing is coated with extremely durable Cubitron mineral, which stays sharp resulting in less surface burning, a more consistent sanded surface and a longer life, when compared to 3M's conventional Belts. | Custom made for power tools | Less work and stays sharp | Lasts longer | Smooth running bi-directional splice reduces bumping | Clog-resistant | Premium cubitron ceramic mineral | Ideal for use on many surfaces, including wood, metal and fiberglass