Conversion fitting: Kärcher K-series quick-connect male x one-touch coupler 1/4 socket, long type

Can connect a Kärcher K-series quick-connect female (quick-connect trigger gun or washer) to a one-touch coupler 1/4 plug.
(Cannot be connected to trigger guns that connect using a black U-shaped hook.)

Cannot be connected to washer models with screw connections or reel connections.