The Camlock Coupling by Green Leaf Inc is available in different sizes ranging from 1/2? to 4?, and eight universal configurations of fittings involving male adapter, female adapter, hose shank, plug, cap, and many NPT thread variations. Green Leaf Inc offers both the traditional camlock style coupling, as well as the Gator Lock coupling which is a patented positive locking system to keep the arms from unintentionally coming open from pump or transport vibration. The Camlock Coupling by Green Leaf Inc is a simple and reliable way of connecting and disconnecting equipment that transfers fluid like sprayers, pumps, hoses, and many other applications. Green Leaf Inc offers both the traditional cam lock style coupling, as well as the Gator Lock coupling which is a patented positive locking system to keep the arms from unintentionally coming open from pump or transport vibration. Green Leaf Inc?s injection molded plastic camlock fittings are manufactured in sizes ranging from 1/2? to 4?. There are eight different universal configurations of fittings that are offered in the market: 1. Type ?A? Coupler ? male adaptor with female NPT thread 2. Type ?B? Coupler ? female coupler with male NPT thread 3. Type ?C? Coupler ? female coupler with hose shank 4. Type ?D? Coupler ? female coupler with female NPT thread 5. Type ?E? Coupler ? male adapter with hose shank 6. Type ?F? Coupler ? male adaptor with male NPT thread 7. Type ?PL? Coupler ? male adaptor plug 7. Type ?CAP? Coupler ? female coupler cap Green Leaf Inc?s line of Camlock couplings are designed to interchange with other brands and materials like aluminum and stainless steel. Depending on whether you need a male or female adaptor or coupling, male or female NPT thread, hose shank, plug or cap, Green Leaf Inc has a solution for you. The Fluid Flow Experts of Green Leaf Inc, an ISO certified company, pledges to bring our expertise in product engineering, manufacturing, distribution and customer service to our diverse line of fluid flow high quality parts and to deliver the right part, on time and at the right price.