National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Panacea eliminates the need to unplug

eliminates the need to unplug cables in warm weather or forgetting to plug in cables when temperatures fall

weather proof for indoor/outdoor use

can be use on wood or concrete floors

8" length closed

National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge Panacea eliminates the need to unplugCatalog 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.