Stanley Hardware S257-555 795 Heavy Duty Shelf Bracket in White , 20" x 13" Authorized Replacement from National Hardware Stock #N260-604 Made For Supporting Large Shelves Designed For Use With Standard Dimensional Lumber Strength Exceeds Ansi/Bhma Standards Made for supporting large shelves Designed for use with standard dimensional lumber Strength exceeds ANSI/BHMA standards Powder-coated, bright white finish Measures 20-by-13-inches