Brand Name: 3m | Grit: 150-grit | Grit Type: fine | Length: 11-in. | Material: silicon-carbide | Number in Package: 25-pk | Packaging Type: carded | Sheet Length: 11-in. | Wet or Dry: wet-and-dry | Width: 9-in. | Recommended Surface: between-coats-of-paint-or-varnish 3M Pro-pak Wet or Dry abrasives are specially designed for wet or dry sanding. Use 3M Imperial Wetordry Sandpaper for a premiere finish on lacquers, primers, sealers, plastics and paints. For final or between coats sanding. | Silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth | Use with water or cutting oil to reduce clogging and extend abrasive life | For flat areas, for use by hand or with sanding block