NORTON multisand sheet, general purpose, series: a211, 11 in length, 9 in width, 36 Grit, grade: extra coarse, aluminum oxide abrasive, d-weight paperbacking, applicable materials: fiberglass metal, plastic, paint and wood, job pack, for very heavy removal of wood, coatings or rust. Sandpaper sheets, 36-grit, 9" x 11"|use to sand wood, metal, plastic and fiberglass will also remove paint.9x11 Alum ox sander 36.