2-Inch Multiple Grits Aluminum Oxide Wet/Dry Hook and Loop Sanding Discs with a 6mm Shank Backing Pad + Soft Sponge Buffering Pad, 5-pieces Each of 60, 240, 600, 1000, 5000, and 10000 Grits;

5-pieces each of 60, 240, 600, 1000, 5000, and 10000 grit sanding discs + 1 piece of 6mm shank backing pad + 1 piece of soft sponge buffering pad . 6mm shank backing pad suitable for most kinds of rotary tools, such as die grinders, air grinders, electric drills,etc.The max operation speed is 10000rpm. Buffering pad, suitable for uneven surface polishing,protection against damage to backing pad, convenient replacement. 60-1000 grit: dry sanding discs,3000-10000 grit: wet/dry sanding discs. Grit refers to the average particle diameter. The larger the grit, the smaller the particle size. The smaller the grit, the coarser the particles are. Dry sanding discs:Prevent clogging,anti-static,good flexibility,wear resisting.It can be widely used in automobiles,electric machinery metal goods, furniture instrument, handicraft article,plastic,leather, stone surface cutting and polishing. Wet/dry sanding discs:It's more effective used wet because clogging is reduced by particles washing away from the grinding surface. It can be used for mold surface precise sanding, and also in stone , lacquer surface, mirror surface treatment.Wet/Dry Sanding Discs can be used for dry sanding too,it's more suitable for high-precision polishing than dry sandpaper.