Gate Latches can be beautiful. Purchase your Gate Latches here today. Once installed, the old-fashioned "sentry" stands guard, making sure the gate always closes behind you. It has a 3" cast iron cannonball with 5 feet of chain. It is intended for use on the inside of gate that opens outwardly for gate width up to 4 feet. Low luster black polyester powder coat over a hot dipped galvanized finish. This ensures a much more enduring rust resistant finish.