National Hardware Plain Box Rail 8'

National Hardware's 8' Plain Box Rail is designed for use on doors weighing up to 450 lbs.Made from galvanized steel for durability.Can be used with many types of single and multiple brackets for easy installation.For exterior applications.Coated with Weatherguard™ Protection to withstand harsh weather conditions and prevent corrosion.Rail is carefully formed to give an even tread to hanger wheels.