Prepare walls for a coat of primer, paint or varnish with the 3M WetOrDry 400-Grit Super-Fine Sandpaper. This super-fine sandpaper is made with a synthetic mineral to provide a sharp sanding surface that cuts quickly and smoothly and can be used with water to help reduce clogging.

• Sand between coats of varnish and paint/finish
• Use with water to reduce clogging
• Sharp synthetic mineral cuts fast and smooth
• Ideal for sanding metal for repainting
• 9 x 11 sheets
• 5 sheets per package
• Super Fine grit