SIA ABRASIVES 1727 SILICON CARBIDE WATERPROOF SANDPAPER 9X 11" SILICON CARBIDE : C-WT PAPERUSE FOR HAND SANDING OF FILLER , PRIMER, LACQUER, PAINT, GLASS AND STONECAN BE USED FOR FINE FINISHING ON FERROUS AND NON FERROUS METALS CAN BE USED WET OR DRY SANDPAPER SHEETS 9" X 11"50 SHEETSGRIT: 500