Box of 20– (400Grit,600Grit,800Grit,1000Grit,2100Grit) LONG-BOARD PSA Premium Sanding Sheets – Made with Fused Zirconia Alumina Corundum for a sharp cut and uniform finish. ANSAI sanding Sticky back glue sandpaper are precut to standard File Boards at 0.78" x 3.14" and are conveniently packed 20 to a box. *It delivers a fast, exceptionally long lasting cut with a consistent scratch pattern for Auto Body and painting, wood working, metal working, Fiberglass, Primers and Plastics * ideal for: Shaping Body Filler, Removing Paint, Rough Feather Edging, Primer/Metal Sanding, Hobby working..etc.. *Provides Exceptional Sanding Performance, so you can get the job done fast, saving you time and money