Features: Crafted from premium 304 stainless steel, these 0.5" double nut compression elbow fittings secure leak proof gas line connection with superior erosion resistance and high temperature durability for long lasting performances. Featuring a 90 degree angles design and double nut compression mechanism, these pipe fittings provide secure, space saving installations while maintaining precise 0.5" specifications for seamless compatibility with standard pneumatic systems. Essential for industrial maintenance professional, laboratory technicians, and pneumatic equipment installers requiring stable gas line connectors in compact spaces. Optimizes compressed air systems in manufacturing plant, laboratory gas distribution setups, and automated production line installations where strong stainless steel compression fittings are critical. grade oxidation resistance meets accuracy engineered threading to withstand extreme pressure conditions, delivering tight seals for industrial gas transmission and HVAC applications. Specifications: Component : 304 stainless steel Nominal diameter: 1/2IN Or 1/2inch Process: Use accuracy compression covers connection technology to secure a tight and leak-easy connection effect Package Includes: 4xGas Line Fitting note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.