3" wide x 3' long paintable anodized aluminum. Use this strip everywhere you would use Slatwall. The best thing about it is that it doesn't take up room like slatwall, is less expensive and will hold more weight than non reinforced Slatwall. Sold only in packages of 3 tracks with mounting screws and installation instructions included. Use with CALHOOKS sold here. Minimum order 3 pieces, priced per each piece.