SDTC Tech 4-Pack G1/4" 5mm Male to Male Connector with Sealed O-Ring for PC Water Cooling Systems Extender Fitting

5mm G1/4" Male to Male Fitting is a simple male-threaded interconnect extender for computer water cooling systems., MATERIAL: Made of high quality brass with nickel-plated, rubber sealed O-ring., THREAD: G1/4" Female Thread, thread length 4.5 mm., USE: Connecting two water cooling components with female G1/4 threads together, worked great to put some 3 way fittings and drain valves in., PACKAGE: 4x PC Water Cooling G1/4" Male to Male Connector.