Made in the USA, The Gator Lock Coupling by Green Leaf Inc is available in different sizes ranging from 1/2? to 3?, and in eight universal configurations of fittings involving male adapter, female adapter, hose shank, plug, cap, and many NPT thread variations. The Gator Lock coupling which is a patented positive locking system to keep the arms from unintentionally coming open from pump or transport vibration is a popular fitting because of this safety feature. Green Leaf Inc?s Gator Lock is a reliable way of connecting and disconnecting equipment that transfers fluid like sprayers, pumps, hoses, and many other applications. The Gator Lock Coupling by Green Leaf Inc , also known as a cam and groove is a patented positive locking system to keep the arms from unintentionally coming open from pump or transport vibration. The polypropylene Gator Lock Couplings are made in the USA. Green Leaf Inc?s injection molded plastic Gator Lock fittings are manufactured in sizes ranging from 1/2? to 3?, and are available in eight different universal configurations. With a positive locking system, the Gator Lock is a simple and reliable way of connecting and disconnecting equipment that transfers fluid.