National Hardware N140-616 Utility Hinge, 3-1/2 in W Frame Leaf, 0.11 in Thick Frame Leaf, Steel, Zinc-Plated, 70 lb

National Hardware Utility Hinge, 70 lb Weight, Door Leaf Height: 2-3/4 in, Door Leaf Width: 3-1/2 in, Door Leaf Thickness: 0.11 in, Frame Leaf Width: 3-1/2 in, Frame Leaf Thickness: 0.11 in, Number of Knuckles: 5, Pin Type: Riveted, Pin Diameter: 0.27 in, Full-Mortise Mounting, Number of Mounting Holes: 6, Mounting Hole Diameter: 0.23 in, Hole Spacing: 1.38 in, Steel, Zinc-Plated, Dimensions: 3.5 in L x 3.62 in W