Features: High-performance copper gas adapter ensures secure, leak-proof connection between 3/8-inch internal thread and 1/4-inch external thread fitting, featuring corrosion-resistant durability for long-term gas appliance safety. Threaded copper gas fittings include two adapters with left-hand connection, engineered for effortless installation without tools and compatible with propane interfaces. Ideal for campers, outdoor enthusiasts, and homeowners requiring gas line conversions between camping gear and household propane systems. Perfect for outdoor cooking scenarios such as camping trips and barbecues, as well as indoor kitchen setups requiring gas appliance connections in well-ventilated areas. This copper gas connector set meets rigorous pressure standards while maintaining portability, designed to connect multiple gas cylinder types for residential and recreational use. Specifications: Material: Copper Type: As shown in picture, seven types to choose Size: 1/4 inch, 1/2 inch, 1/8 inch Package Includes: 1 pc Cylinder Adapter Note: 1. Please allow 12 cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color.