Featurs: 1/2" brass joint for hoses with an outer diameter of approximately 16 mm, The other end is connected to a standard 16mm nipple adapter. Quickly connect to international standard 16mm quick connectors, Brass has a strong wear resistance. Brass is often used to make connectors. We all use high quality brass precision machining. Material:Brass Color:as shown Size:4.2*3.2cm/1.65*1.26in Package includes:1*Water connector Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.