Sea-Dog Catch Elbow. For use on wood or metal doors where no frame is present between doors. Surface mounted. These catches are quick and simple to install and allow for door to lock shut when pushed. Requires releasing the hook to open the door making them very secure. Traditionally used in conjunction with a touch or magnetic latch on the primary door. Latch installs with two #6 FH fasteners. Slotted hole in catch allows for adjustable installation. Installation hardware not included. Specifications for Sea-Dog Elbow Catch: Manufacturer: Sea-Dog Color: Black Package Contents: Sea-Dog Elbow Catch Sea-Dog 227030-1: Catch Elbow