1/4 X 1/4 Hex Nipple Male Oil Line Union

A type of pipe fitting used in plumbing and fluid systems. It has a 1/4-inch male threaded connection on both ends. The hexagonal shape (hex nipple) provides a surface for easy tightening with a wrench or tool. Commonly used to connect two pipes or fittings with 1/4-inch threads, allowing fluid or gas to pass between them.