PREMIUM ALUMINUM OXIDE: Durable aluminum oxide particles for faster cutting, durable and anti-static, non-stick - special stearate anti-clogging coating improves performance and durability Durable: Made of high-quality materials, the sandpaper is equipped with a thick paper base, composed of high-quality aluminum oxide and abrasion-resistant sand, and the high-strength resin bonding system increases the durability of the service life. Change installation: Durable reversal makes changing sandpaper easier, more convenient and faster. Various Grit Sizes Sandpaper: This sandpaper includes 40/60/80/120/240 grit models. Can meet all polishing requirements Package: 40#x5, 60#x5, 80#x5, 120#x5, 240#x5 Function: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Very Practical and Efficient Aluminum Oxide Sandpaper Feature Hook and loop self-gripping sandpaper backing allows for quick and easy removal and replacement. Special