THE ITEM YOU ARE LOOKING AT IS A 22MM SCREW FITTING KARCHER KRANZLE. KARCHER 22MM AND MANY MORE WITH 22MM MALE THREAD CONVERSION TO QUICK RELEASE COUPLING - YouTube. KARCHER HDS, HD, K SERIES. JUST SCREW THE MALE QUICK COUPLING ON TO YOUR KRANZLE, KARCHER OR ANY MACHINE WITH A 22MM MALE THREAD, THEN JUST SCREW YOUR 22MM FEMALE HOSE ONTO THE FEMALE QUICK RELEASE COUPLING FITTING.
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