Norton Adalox Coated Sanding Sheet, Series: A212, 11 in Length, 9 in Width, P180 Grit, Fine Grade, Aluminum Oxide Abrasive, Paper Backing, Applicable Materials: 300 Series Stainless, Aluminum, Brass, Bronze, Fiberglass/Composites, Hard Carbon Steel, Hardwood, Soft Carbon Steel, Softwood, Super Alloys, Titanium and Glass, Brown, A-Weight Backing Weight