National Hardware V520 Series N350-793 Spring Hinge, 4 x4, Steel, Oil-Rubbed Bronze

National Hardware Spring Hinge, 37 lb Weight Capacity, Number of Mounting Holes: 8, Cold Rolled Steel, Oil-Rubbed Bronze, 4 in L x 4 in W Dimensions, For: Hinge Cutout and Fire Doors Up to 3 ft x 7 ft