National 4 In. 1/4 In. Radius Brass Spring Door Hinge PolyCarb Whether working on a home

Whether working on a home project or building a structure to

or serving

Installs over pipe up to 2-3/8" outside diameter

High-impact thermoplastic

No lock-out feature automatically unlocks when exiting to prevent unwanted lock-out situations

National 4 In. 1/4 In. Radius Brass Spring Door Hinge PolyCarb Whether working on a homeCatalog 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.