The package includes 1 adapter and two nylon washers, ensuring a pressure tight seal and Protections against adapter damage, for long lasting in any workshop Perfect for use in welding applications, this adapter seamlessly your setups from CO2 to Argons, enhancing your welding projects with ease Suitable for welders, hobbyists, and professional in the metal fabrication industry who require a solution for flowing regulation Produced from brass, this adapter resists and heat, featuring standard threading for a precise fit and a Small Designs that simplifies installation Ensures a secure and stable connection between your CO2 Tanks and Argons regulator with our CGA320 to CGA 580 adapter, crafted for durability and reliability, Manufacturer: LiRRvb