Brand new 5 pack Prevost European Style ESI071253 1/4" body air couplers with 1/2" male NPT threads. These are a very high quality Prevost coupler that features a non-marring, impact resistant, high grade composite body. These couplers are easy to use for anyone and is built for safety and high efficiency! The quick release button on this coupler allows you to easily release plugs with one hand! It also purges the air on everything down line, such as air hose and tools, so that there is no hose whipping or sudden pressure releases. These couplers features a 1/2"male NPT threaded inlet. This coupler is compatible with Prevost High Flow Style air plugs and has a 3 year manufacturer's warranty.* Specifications: 1/2" Male NPT Easy To Use Anti-marring Heavy Duty Composite Body Steel Inner Construction *Warranty valid only if used with Prevost high quality steel plugs.