The grinding wheel is made of materials, has good wear resistance and functionality, can provide you with excellent grinding and polishing effects, and can work quickly and efficiently without damaging the surface of the object. The design is reasonable and the structure is scientific. The product has strong adaptability and can be used in most grinders. Features -Color: Mixed Color. -Material: Nylon, Diamond. -Size: About 2.50X2.50X0.10cm/0.98X0.98X0.04inch. -Specification: 80#,120#,220#,400#,600#,1000#,2500#,3.0mm. -Efficient grinding discs can help you easily and quickly. -This product is grinding and polishing various stainless steel, cement, wood and other materials. -The excellent design structure allows the product to be cleaned and polished quickly without damaging the the product. -The product is sturdy, , wear-resistant, and can better meet your polishing needs. -It is gentle and practical, has a wide range of uses, is more effective in cleaning and removing coatings, and has less pressure than a wire brush. Package list: 28 x Polishing Wheels 4 x Connecting Rods