Features: Equipped with W21.8x1/14 inch thread, the pressure regulator is universally applicable and fits most common gas cylinders. Thanks to its solid brass construction. The cylinder pressure regulator is extremely robust and can withstand the highest loads. The pressure regulator is perfectly suited to the elimination of compression gas in inert gas welding processes. Product testing, sample welding, test cutting on site Convince yourself of our quality. Features: Component: brass Application: argon, carbon dioxide, inert gas, mixed gas Bottle connectors: W21.8x1/14in Hose nozzle: 6.3mm High pressure ranges: 0-400bar, red marking at 300BAR Temperature: -20 to 60℃ Size: approx. 20x20x7cm / 7.87x7.87x2.76in Package Includes: 1PC Argon Meter Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.