Smooth and Efficient Sanding: With durable aluminum oxide grain and a premium resin bond system, these sanding discs are designed to deliver a smooth finish on a wide range of materials, from wood and metal to stone and glass. Quick and Easy Grit Changes: Featuring a convenient hook and loop sandpaper backing, these discs make it easy to switch between grits and extend the life of the abrasive, saving you time and money in the long run. Anti-Clog Coating for Longer Life: Our special anti-clog stearate coating helps prevent buildup on the abrasive surface, extending the performance and durability of each disk and ensuring a consistent finish every time This 9 inch sanding disk are widely used in car, wood projects, rubber, leather, plastic, stone, glass and other materials grinding, polishing Trusted Quality and Performance: Backed by our commitment to quality and customer satisfaction, these sanding discs are made to last and deliver consistent results with every use. Invest in the best for your DIY or professional projects and see the difference for yourself! Crafted with a premium resin bond system and durable aluminum oxide grain, these sanding discs are designed to provide a superior finish that lasts. And thanks to their special anti-clog stearate coating, they offer extended performance and durability that you can count on.