Eagle SHDS1842VGL Quik-Set® Solid Shelf, louvered, 42"W x 18"D, top die-stamped with 2-3/4" x 1/2" openings on 3" centers, marine edges on all sides, aluminum corner castings, 14 gauge galvanized, VALU-MASTER® gray epoxy finish, NSF (please note: split sleeves are included with this product)