Black Iron Hex Reducing Socket 3/8" x 1/4" FxF

A threaded fitting used in plumbing systems. It has male threads on both ends, with one end larger and the other smaller in diameter. The hexagonal shape allows for easy tightening. This type of fitting is used to connect pipes or fittings of different sizes, creating a smooth transition while maintaining a strong and secure joint. It's commonly made from malleable iron and is suitable for various industrial and plumbing applications.