Part #: N1D100919TR11SS72 Key Features *Can be used with many types of single and multiple brackets *Rail drilled 24 in OC for brackets *Rail is formed to give an even tread to hanger wheels Stanley national series 5116 rail 6 feet barn door tracks box galvanized steel is designed for use on doors weighing up to 450 pounds. Has 24 inch on center bracket holes. Can be used with many types of single and multiple brackets. Meets ansi amd bhma a 156.14, grade 2. Rail is formed of 16 gauge steel to give an even tread to hanger wheels. Made in the USA.