Norton ProSand Coated Sandpaper Sheet, Series: A259PS, 11 in Length, 9 in Width, P150 Grit, Fine Grade, Aluminum Oxide Abrasive, Anti-Loading Paper Backing, Anti-Clog/Open Coat, Applicable Materials: 300 Series Stainless, Aluminum, Brass, Bronze, Fiberglass/Composites, Hard Carbon Steel, Hardwood, Soft Carbon Steel, Softwood, Super Alloys, Titanium and Glass, Blue, B-Weight Backing Weight