National Hardware N184-556 Spring Hinge, 3-1/2 in H Frame Leaf, Steel, Brass, Removable Pin, Wall Mounting, 30 lb

National Hardware Spring Hinge, 30 lb Weight, Door Leaf Height: 3-1/2 in, Frame Leaf Height: 3-1/2 in, Pin Type: Removable, Wall Mounting, Number of Mounting Holes: 6, Steel, Brass, Dimensions: 3-1/2 in L x 3-1/2 in W, Suitable for: Hinge Cutout and Fire Doors Up to 3 ft x 7 ft

• Closing speed is adjustable
• Closing speed is adjustable
• Tension is adjustable
• Square corners
• These hinges will not corrode or rust when exposed to the weather
• There is no need for concern about chipping, scratching or other surface damage
• Automatically closes doors
• Fully adjustable with wrench provided
• Lifespan warranty against defects in material and workmanship
• Easy to install