Adjustable Spring Hinge, Brass, 3.5-In.
3-1/2", Brass Adjustable Spring Hinge, 1/4-Inch Round Corner, Designed For Hanging Self Closing Doors In Basements, Stairways, Garages & Entrances, Can Be Used In Residential, Commercial & Apartment Buildings, Closing Speed Is Adjustable, Fits Standard Hinge Cutout, 1 Per Pack.