Package Contents: Outer Thread 22 Female (Inner Hole 14mm/0.55in) + Inner Thread 22 3/8 Male Nut Set. Easy to Connect and Disconnect: High replacement couplers provide secure and quick connections that are simple to assemble and disassemble. High Quality Materials: Durable and Strong Brass Water Hose: Brass the strongest which means durability and no leaks. Not cheap and flimsy aluminum or plastic material. The fitting can be connected to a variety of high pressure water guns, hoses, pumps and other uses. Note: Thread size should be measured accurately; Wear gloves and work with the water valve closed. When connecting the hose, a hose clamp can be used to prevent loosening and leakage. The connector is a non-high pressure connector. You should carefully choose the shape of the connector interface and check whether it matches the shape of the female connector. Product Features: Easy to connect and disconnect. For use on gun, hose and pump to convert M22 threaded fittings to a 3/8" quick connector, compatible with most M22 fittings and quick connect on pressure washers Features: Material: Brass Color: Black, Copper Package: 1*M22 Swivel 1*3/8"" Socket