Designed for use in welding applications, this Inert Arc Nut features a water female left-hand connection conforming to CGA-021 standards. Manufactured by Western Enterprises, it is an essential component for ensuring secure and efficient connections in your welding setup. Please be aware that this product may expose users to lead, a substance recognized by the State of California as a potential risk for birth defects or reproductive harm. For further information, please refer to www.P65Warnings.ca.gov. This item is a reliable choice for professionals seeking quality welding accessories.