6" PSA Premium Gold Sanding Discs – Made with Super Coated Aluminum Oxide Corundum for a sharp cut and uniform finish 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 Plastics Sandpaper 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!