National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Solid Rod -Made from high quality Grade

-Made from high quality Grade A steel for supporting extreme durability

7x7 Galvanized Cable

Equipped with a high-limit safety switch

Safety chains provide and hold a connection between the towing vehicle and trailer in the event of separation of the trailer

National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Solid Rod -Made from high quality GradeCatalog model No. V521 series. Cold rolled steel. Designed for hanging self closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1 4' radius, round corner automatic door closing spring hinge.