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 your 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.