Material- Sanding belts are made with X-Weight coated backing, open coat aluminum oxide grain and premium resin on resin bond, high quality raw materials provide better polishing efficiency and performance Connection - Precision engineered two-way tape joint, diagonal lap splice eliminates splice bumps, sander sanding strips interface to tape is firm and not easy to break under pressure Performance- Antistatic and washable, add additive in resin to resist loading, Quality workmanship allows saturated sand to have resistance to wear, dense distribution and anti-clogging Application - Work with 915 x 100mm belt sander - providing a heavy duty sanding, stripping and coarse to medium sanding tool for wood, aluminum, fiberglass, rubber, plastic, stone and non-ferrous metals, etc.