Anti-Leakage & Dual Sealing Design: Regulator-to-hose quick connect fittings set features a dual-sealed plug-in structure, providing two levels of sealing during connection, this design enhances stability and reliability while effectively preventing leakage, ensuring consistent performance during welding operations Excellent Control: The regulator-to-hose set is equipped with a check structure that responds promptly to changes in gasflow, enabling effective management and helping improve stability and controllability during welding operations, regular inspection of the connection status is recommended to help maintain proper valve performance Color Differentiation Interface Structure: Quick-connect accessory kit from the regulator to hose features a color-coded plug and socket design for clear identification, each plug is designed to connect only with its matching service socket, helping reduce connection confusion and enhancing overall safety and reliability during welding operations Reliable and : Torch hose repair kit is made of high-quality brass and is designed to maintain stable performance and reliability across various usage conditions, it provides long-lasting, secure connections while helping improve overall operational efficiency and user experience, Weight: 0.661386786 Pounds, Manufacturer: Xnuiasqe