【THREAD SIZE CHECK】: 1/2 inch male to 1/2 inch female brass pipe extension set, 30/40/50 mm length (OD: 0.76 inch). ATTENTION: ATTENTION: The 30mm fitting's thread type is NPT (taper thread), while 40/50mm fittings' thread type is NPS (straight thread) which have NO taper. 【RELIABLE PIPE EXTENSION SOLUTION】Easily complete the pipe extension work with SUNGATOR 1/2" male to female pipe extension. Three lengths contains, the brass extension fittings come with deeper and smoother threads for better engaging with objects, enhancing fixation and effectively prevents leakage. 【VERSATILE APPLICATION】: 1/2" male to 1/2" female threaded extension pipe adapter for extending the length of pipes or fittings. These brass pipe fittings are widely used to connect or extend shower head, tub spouts, outlets and other fittings with different thread types on both ends. Also suitable for wet environments, grease, fuels and natural gas, refrigeration, instrumentation and hydraulic systems in low and medium pressure pipe line connections. 【SOLID BRASS】: SUNGAOTR 1/2'' brass male female pipe extension meet specifications ASTM B584 and ASME/ANSI B16. Premium heavy duty solid brass has excellent performance in terms of corrosion resistance, high temperature ductility and low magnetic permeability. These brass pipe fittings are more durable than iron and iron galvanized pipe fittings, they can also withstanding rated up to 100 °C (212 °F) and 300PSI. 【PACKAGE INCLUDE】: 30mm NPT brass pipe extension x 1; 40mm NPS brass pipe extension x 1; 50mm NPS brass pipe extension x 1; Sealing Tape x 1.