Heavy-Duty Inert Gas Hose Quick-Disconnect. "B" Size 5/8" x 18 Right-Hand Thread Male Plug to Female Quick-Release Receptacle.
Ideal for field welding jobs quick and easy connection to regulators, and allows you to daisy chain several gas hoses together, rather than one heavy continuous length. Quick-release design let's you quickly plug and un-plug hoses without tools for fast-setup and tear-down, saving you time and money.
Part number reference for the component parts: QDB302 - Male Plug to QDB303 - Female Socket (both are included in the package). Made in USA by Western Enterprises.