Hose coupling with 3/8″ swivel nut is a practical component used in welding and gas cutting systems. It allows easy connection of the hose to devices such as pressure regulators, without the need for additional tools. The swivel nut ensures ease of installation and allows the hose to rotate freely, making it easier to manipulate and reducing the risk of damage to the hoses. It is designed for convenience of use and durability in harsh working conditions.