Wild West Hardware Clavos, 1 inch diam. head, Oil Rubbed Bronze finish, Decorative Nails, Pack of 10 Has 1 inch dia. head made of zinc alloy (will not rust) Beautiful oil rubbed bronze plated finish (near black) Nails are centered for predrilling desired patterns Has timeworn hammered look for antiquated appearance These are not weak upholstery tacks, nail shank is 1/8" thick and 3/4" long. Don't be fooled by clavos being sold with "thin needle-like" nails.