Keep your gate, shed or trailer securely shut with the Red Hound Auto spring loaded barrel bolt latch. Includes 2 spring-loaded barrel latches (mounting hardware not included). Convenient bolt latch and spring design, just pull and turn 90 degrees to lock or release. Total length: 5"; Mounting plate: 2-7/16" x 2"; Bolt Diameter: 3/8". Made from heavy duty steel; zinc coated for rust and weather protection.