NCLUDES: Set of 12. Contains 2 x Female fitting with Male thread, 2 x Female fitting with Tightening 14mm hex (Male fitting Male thread), Tightening 16mm hex (Male fitting Female thread), Tightening 19mm hex (Female fitting Male/Female thread). Come With 2pcs Female Fitting Male Thread And 2pcs Female Fitting Female Thread And 4pcs Male Fitting Male Thread And 4pcs Male Fitting Female Thread EASY TO INSTALL: It is easy to connect and disconnect the brass threaded hose connector to the water supply. Female fitting has valve inside to prevent air escaping whilst changing between tools USED WIDELY: Suitable with compatible with PCL, vertex, airflow, rectus 19 fittings etc. Quick release thread type: 1/4"" BSP ideal start pack of quick release fittings. Male/female quick release airline hose fitting male/female thread 1/4"" BSP QUALITY: Made of heat-treated hardened steel for strength and durability. Zinc plated finish for rust and corrosion resistance. Spring loaded quick release couplers for use on the compressor side have a valve built in to shut off the air when changing between tools., Weight: 0.220462262 Pounds, Manufacturer: Dapetz