BRS 3-1/2 Spring Hinge

3-1/2", Brass Adjustable Spring Hinge, 1/4" 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, Carded.