Grits - meeting your requirements for different applications. Premium Quality - Made from premium open-coat alumina oxide grit, strong X-weight polyester cloth backing, providing smooth sanding and . Connection - Precision-engineered two-way belt joint, diagonal lap splice eliminates splice bumps, the belt interface is firm and will not break. - anti-static and washable, plus an additive in the resin to resist loading, provides good abrasion resistance, anti-clogging. Applications - Work with 3 x 21-inch belt sander - providing a heavy-duty stripping and sanding tool for wood, aluminum, fiberglass, rubber, plastic, and non-ferrous metals. Color: Reddish Brown Material: Alumina Size: 533x75mm Package Contents: 6 x 80 Grit Sand Belts 6 x 120 Grit Sand Belts 6 x 150 Grit Sand Belts 6 x 240 Grit Sand Belts 6 x 400 Grit Sand Belts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little