【Material】Made of premium aluminum oxide. Anti-static, washable with additive in the resin to resist load. 【Connection】The belt interface is firm and will not break easily due to diagonal folding technology. 【Application】Mainly used for wood, aluminum, non-ferrous metal, glass, plastic, stone, etc. Anti-static, washable with additive in the resin to resist load. 【Grits】Includes most used grits: 80/120/150 grit (4 x each), total 12 pieces of 75 x 457 mm sanding belts, meeting your daily sanding and polishing needs. 【Satisfaction Guidelines】If you are not satisfied with our products, please feel free to contact us, we will solve your problem immediately.