National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Saddle Valves Turn button on interior lever

Turn button on interior lever locks both levers

Operates best with 100 lb

ul coded for flex duct & ul 181b-fx 82p4 listed

Galvanized Type I cans meet OSHA (Occupational Health and Safety Administration) and NFPA (National Fire Protection Association) Code 30 requirements and are UL (Underwriters Laboratories) and ULC (Underwriters Laboratories of Canada) listed and FM approved for safe handling and storage of gasoline and other flammable liquids

Press and Flip Opening

National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Saddle Valves Turn button on interior leverCatalog 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.