It is designed with a spring loaded latch that will automatically latch when installed properly.
Cabinet Door Elbow Catch, Cast Aluminum, Brass Plated For best results, follow the installation instructions included with each package.Components of this lock and key set are constructed of diecast, stamped steel and brass materialsComes finished in a beautiful, corrosion resistant, brass plated finishDesigned for use in cupboards, closets, cabinets, in the home, garage, office, classroom and moreFits up to 1 inch thick door and drawer panelsEasy to install with a few simple toolsFor further dimensional and specification information, please see the line drawing. Typically it is used to keep cabinet doors and drawers from being easily opened. All necessary mounting hardware is included for a quick and easy installation.