National Hardware #N343-129 By-Pass Sliding Door Hardware Set, Galvanized, 60" BRAND NEW AND COMPLETE! THE BOX WAS OPENED AND INSPECTED. National Hardware #771D By-Passing Door Hardware Set is suitable for use with 3/4" - 1-3/8" thickness doors. Doors can not accidentally jump the track. Wheels never need lubrication. Doors can be hung or removed with out detaching hangers. Rail offers steel track with decorative finish. Features: Designed for wall openings up to 60 inches Constructed of high quality nylon, steel for lasting durability Includes all mounting hardware and detailed instructions for a quick and easy installation Doors can be hung or removed without detaching hangers Door guide provides smooth operation and allows up or down adjustment of doors Kit Includes: One (1) track Four (4) hangers One (1) adjustable floor guide Two (2) finger pulls Specifications: Door Thickness: 3/4" - 1-3/8" Handing: Reversible