450 lb Box Rail Hanger

450Lb Capacity
Designed for use on wood-frame sliding doors from 1½" to 2" thick with National's #59 or #5110 rail. Includes nine 3/8"x2" lag screws for mounting rail and two end caps. Features Made of durable one-piece, precision-formed steel. Offers self-lubricating Delrin® bearings. Hangers have vertical and lateral adjustments that can be made from outside building. The ½" offset bolt is threaded 5½" with a lateral adjustment of 1" by turning bolt.