Dura-Gold Premium 6" Wet or Dry Sanding Discs - 400 Grit (Box of 20) - Sandpaper Discs, Hook & Loop Backing - Silicon Carbide Cutting - Orbital SanderBox of 20 Dura Gold Premium 6" Wet or Dry 400 Grit Sanding Discs with a Hook & Loop Backing. This 400 grit sandpaper is ideal for wet or dry finish sanding on all types of surfaces. It can be used to finish sand automotive paint, glazes and primers before painting or for removing light scratches and finish sanding on wood and paint. High performance waterproof sandpaper discs that are made with premium electro coated silicon carbide which ensures that