1.1. The sanding discs are made of aluminum oxide abrasives and flocked backing, providing long-lasting and efficient sanding, with special heat treatment, our products have excellent polishing, antistatic and wear resistance, ideal for polishing wood and metal . 2.2. Effortlessly tackle the toughest DIY and sanding tasks with our professional orbital sanding disc, made of high abrasion aluminum oxide grit, durable hook and loop backing and perforations for tougher sanding tasks Achieve excellent dust removal effect. 3.3. Suitable for rust removal, painting, deburring, solder joint grinding, polishing of various complex surfaces of metal and non-metal materials, including bare wood, painted surfaces and metal, aluminum alloy, rubber, leather, plastic, stone, glass, etc. Material. 4.4. Easy to identify and use: The grit numbers on the back of each sandpaper for easy identification, the hook and loop backing allows for quick installation and removal of the orbital sandpaper, and it will not fall off when used.