Box of 50 Dura-Gold (500 Grit) 5" PSA Premium Gold Sanding Discs with Dustless Hook and Loop system and made for 8 Hole Pattern sanders. Discs are Made with Fused Zirconia Alumina for a sharp cut and uniform finishDura-Gold Discs are conveniently packed 50 to a box with the Hook and Loop system enabling quick and easy removal of discs with a secure and consistent connection from disc to discDura-Gold Sandpaper discs delivers a fast, exceptionally long lasting cut with a consistent scratch pattern for Auto Body and painting, wood working, metal working, Fiberglass, Primers and PlasticsDura-Gold has maximum resistance to clogging and loading which increases your productivity and reduced material consumption.Provides Exceptional Sanding Performance, so you can get the job done fast, saving you time and money!