3-1/2" zn broad hinge. National catalog model No. V504 thru V504BC series. The removable pin broad hinge is designed for general utility and industrial applications. Hinges are swaged for mortise installations. Loose pin allows doors to be removed without taking off hinges. Galvanized made of steel with brass pin. Box loose items come with no fasteners, bar coded. Finish: Plain Steel, Height: 3-1/2", Type: Broad Hinge, Material: Steel, Corner Type: Square, Pin Type: Removable, Holes Per Leaf: 3, Package Type: Card No. N195677: Finish: Plain Steel, Height: 4", Type: Broad Hinge, Material: Steel, Corner Type: Square, Pin Type: Removable, Holes Per Leaf: 3, Package Type: Card No. N208843: Finish: Galvanized, Height: 3-1/2", Type: Broad Hinge, Material: Steel, Corner Type: Square, Pin Type: Removable, Holes Per Leaf: 3, Package Type: Card