National Hardware N350-777 Spring Hinge Cold Rolled Steel Satin Nickel 30 lb

National Hardware Spring Hinge, 30 lb Weight, Number of Mounting Holes: 8, Cold Rolled Steel, Satin Nickel, 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