Norton Black Ice T402 Waterproof Sheets – light-weight waterproof paper sanding sheets produce the ultimate surface finishes in ultra fine wet applications. Full size (9" x 11") and cut paper sheets are used for both metalworking and woodworking applications. Packed in protective dispensers to eliminate waste and permit easy, neat storage. Typical applications include light-duty metal sanding, primer sanding, defect removal from painted surfaces, filler sanding, sanding and finishing of composites and fiberglass, bare wood sanding, and sanding between sealer coats. Paper sheets are typicallly used hand or jitterbug sanding.