5″ PSA Sandpaper are for Wet or Dry use and can be used with Diskit Back-Up Pads. They offer good quality and nice finish on stone. A High quality silicon carbide sandpaper for stone at a very affordable price. Weather you are grinding natural stone, granite, marble, concrete, wood, or working on auto bodies performing auto bodywork, or sanding down other types of man made material. All of our sand paper comes in a multitude of grits from 40 grit, 60 grit, 80 grit, 120 grit, 220 grit, 320 grit, 420 grit, 600 grit, and 1000 grit.