Wet and Dry Sandpaper Sheets. Come in packs of 4 sheets, each sheet measuring 280mm x 230mm. C/B weight fully waterproof paper. Resin bonded. Wet and Dry suitable for decorating, boat and car body work (metal, wood, paint, plastics, fibreglass). Coarse grades give a better sanding performance initially. For lighter work use medium and fine. When power sanding use light pressure. Available in the following packs: Ex. Fine (4 x P1200), Fine (4 x P600), Medium (4 x P240), Coarse (4 x P120), Assorted (1 x P1200, 1 x P600, 1 x P240, 1 x P120)