National Hardware N112-102 Box Rail Hanger, Single, Steel, Zinc

National # 5005 rigid box hangers with door straps feature delrin 500cl bearings. For use on wood frame sliding doors, laterally and vertically adjustable. Hangers are packed with 2 end caps and bolts for attaching door strap. Door strap is 5-1/2 inch long. For use with doors up to 450 lbs. Zinc plated steel, 2 pack. Rigid with single door strap. Designed for use on wood frame sliding doors from 1-1/2 inch to 2 inch thick. Slot in top of door strap allows lateral and vertical adjustment. 450 pound capacity per pair. Packed with two end caps and bolts for attaching door strap. Made of durable one piece precision-formed steel and has self lubricating delrin bearings. Boxed.