Sustainable: This 125mm sanding disc is made of high quality craft paper with a good layer of aluminum oxide. Thus, it does not tear and the sandpaper does not wear out prematurely, it is perfect for all your projects Easy to use: This 125mm abrasive disc has a hook and loop hook and loop system which is reinforced with a synthetic resin binder. This ensures a good hold with the sander plate, the disc gains in life Adaptable: This sanding paper with its 6 different grits is suitable for all your projects that require sanding, polishing or rust removal. Change the grain according to your need, these discs are perfect for working on wood, metal and painting Universal: This 125mm sander disc can be used with orbital sanders of all brands. It's made from heavy-duty aluminum oxide that's hard-wearing and gives you extended and repeated use Number of pieces delivered: 24 pieces (4 pieces of 40, 60, 80, 120, 180, 240)