Dura-Gold Premium - Wet or Dry - 400 Grit - Professional cut to 5-1/2" x 9" Sheets - Color Sanding and Polishing for Automotive and Woodworking - Box of 25 Sandpaper Finishing Sheets P400 Grit Dura-Gold 5-1/2" x 9" Premium Wet or Dry Sandpaper is made with uniform sanding Silicon Carbide Commonly Used for Wet or Dry Sanding on Paint and Primers for Auto, Industrial, and Wood Working. Use for Shaping or Final Sanding of Filler and Putty, Fine Feather Edging, Final Prime Sanding Dura-Gold Sandpaper delivers a fast, exceptionally long lasting cut that increases your productivity. Provides Exceptional Sanding Performance, so you can get the job done fast, saving you time and money