Package Includes: 2 pack M22-14 swivel + 3/8″ plug, 2 pack 3/8″ QD + M22-14 male, 2 pack 3/4″ female + 1/2″ quick connect, 2 pack 1/2″ plug+ 3/4″ male.Attention: M22-14 SWIVEL SELL IS 14mm FITTING. INSIDE DIAMETER IS 14mm, NOT 15mm. If your fitting is 15mm, it may cause leakage. SO NOT FIT some electric pressure washer with M22 15mm fitting.Easy Connect & Disconnect: Two sets of quick connectors connect the pump outlet to the pressure washer hose or the pressure cleaning hose to the gun. The other two quick connection kits convert 3/4″ threads into quick release connectors and connect all 3/4″standard garden hoses to the inlet of the electric washer pump.High Working Pressure: Working Pressure is up to 5,000 PSI. Made of corrosion resistant brass.