50 Pieces 150 mm Sanding Discs, 15 Holes, 10x Grit 60/80/120/180/400, Sandpaper for Random Orbital Sander (Green(P60/P80/P120/P180/P400)) FOR VARIOUS SURFACES: Includes 50 pieces of 6-inch diameter sanding discs with 15 holes, available in grits 60, 80, 120, 180 and 400. Ideal for DIY, woodworking, polishing metals and plasterboard. HIGHEST EFFICIENCY: Using PET material backing film, there is a 150mm thick green aluminum oxide layer in the middle, This material provides better heat dissipation and better finish, which can extend the service life of the product and increase the sanding efficiency STURDY AND DURABLE: Our sandpapers use high-quality aluminum oxide abrasive, tear-resistant, which is sharp and durable to extend the service life of the product NOT EASY TO DETACH: The use of innovative hook and loop design and a double adhesive layer on the back of the sanding discs ensures strong adhesion and safety when sanding. DRY AND WET USE: Thanks to the waterproof adhesive, our sanding discs are suitable for use in both dry and wet environments, increasing their versatility and adaptability.