![National Hardware N174-136 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG3974128]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/28732/28509/3974128__04661.1691783090.jpg?c=1 "National Hardware N174-136 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG3974128]")
![National Hardware N174-136 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG3974128]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/28732/28509/3974128__04661.1691783090.jpg?c=1 "National Hardware N174-136 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG3974128]")
Product Overview
Designed for doors weighing up to 450 lb. One-piece, mounted design allows fast, simple installations without mounting brackets. Features a durable, white prefinished cover that is permanently welded to rail. Flashing pre-punched for attaching to 2 x 6 in track board with 2-1/2 in ring shank nails with neoprene washer. [QTY/UOM: 1EA / 1EA]
![National Hardware N174-110 Box Rail, Steel, Galvanized, 8 ft L [SKU: ORG3974102]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/28731/28508/3974102__27004.1691783090.jpg?c=1 "National Hardware N174-110 Box Rail, Steel, Galvanized, 8 ft L [SKU: ORG3974102]")
![National Hardware N142-158 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG6466437]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/72753/71088/6466437__64370.1692630557.jpg?c=1 "National Hardware N142-158 Box Rail, Steel, Galvanized, 12 ft L [SKU: ORG6466437]")
![National Hardware N174-284 Box Rail Hanger, Steel [SKU: ORG9926536]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/29274/29035/9926536__91685.1691783270.jpg?c=1 "National Hardware N174-284 Box Rail Hanger, Steel [SKU: ORG9926536]")
![National Hardware N174-268 Box Rail Hanger, Steel [SKU: ORG3974078]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/29258/29019/3974078__90337.1691783264.jpg?c=1 "National Hardware N174-268 Box Rail Hanger, Steel [SKU: ORG3974078]")
![National Hardware N142-364 Box Rail, Steel, Galvanized, 8 ft L [SKU: ORG6466965]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/72754/71089/6466965__66961.1692630557.jpg?c=1 "National Hardware N142-364 Box Rail, Steel, Galvanized, 8 ft L [SKU: ORG6466965]")