The next best thing to an actual guard dog. Dual lock from both sides of the gate, The GardDog™ locking gravity latch with two-sided key entry and a push button makes securing your outdoor environment a snap. Aesthetically pleasing with no visible fasteners, it is easy to install and ideal for vinyl, wood and metal gates. This latch is industry standard ASTM B117 Salt Spray tested. B117 is the standard for testing corrosion resistance. Self-latching, it works with 1" or larger upright dimensions or solid panel. Made from black nylon and stainless steel material, it withstands 10 year span open and close testing, averaging 5.5 openings per day. The kit includes latch striker; 1" Phillips screws; push button; push rod; and 2 x keys.