Features: High performances copper gas adapter ensures secure, leakproof connection between 3/8inch internal thread and 1/4inch external thread fitting, featuring corrosions resistant durability for long time gas appliance safety. Threaded copper gas fittings include two adapters with left hand connection, engineered for effortlessly installation without tool and accessory with propane interfaces. Ideal for campers, outdoor enthusiasts, and homeowners requiring gas line conversions between camping gear, and household propane systems. Perfectly suits outdoor cooking scenarios like camping trip and barbecues, as well as indoor kitchen setups requiring gas appliance connection in ventilated space. This copper gas connectors set meets rigorous pressures standards while maintaining portability, designs to bridge multiple gas cylinder types for residential and recreational use. Specifications: Materials: Copper Type: As Picture Show, Seven Type to Choose Size: 1/4Inch, 1/2Inch, 1/8Inch Package Includes: 1pc Cylinder Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.