Air Tight Construction: Features a strict air tight design to provide stable and reliability flows, enhancing welding efficiency and Versatile Application: Ideal for various welding projects, offering consistent and durability in professional and settings Durability: Fine craftsmanship and brass construction ensures long service life even under frequent use Build: Made from premium copper for excellent wear resistance and high temperature durability, ensuring reliability during welding tasks Fit Design: Specifically designed to fit for 15AK / 24KD / 36KD welding torches with dimensions of 185mm, 190x10x6mm, and 220x10x8mm respectively for perfect compatibility, Manufacturer: GMBYLBY