Heavy-Duty Inert Gas Hose Quick-Disconnect. "B" Size 5/8" x 18 Right-Hand Thread Female Plug to Male Quick-Release Recepticle.
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-relase 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: QDB300 - Plug to QDB301 - Socket (both are included in the package).
Made in USA by Western Enterprises.