Specification:Material: copper + plasticWeight:0.13kgA:Turning M22 14mm Male/female Thread into quick connection.B:Turning M22 15mm Male/female Thread into M22 15mm connection.Fits to your pressure washer which trigger for gun has M22 thread. use for Karcher HD and HDS old type pressure washer gunSimple to use traction.Easy to carry and clean.Package Contents:1 * Adapter