Before revision: KF/QF 250 px|A KF-25 tee, o-ring, and clamp The ISO standard quick release flange is known by the names Quick Flange (QF) , Kleinflansch (KF, German which translates to "Small flange" in English).
After revision: KF/QF 250 px|A KF-25 teeor o-ring, and clamp The ISO standard quick release flange is known by the names Quick Flange (QF) , Kleinflansch (KF, German which translates to "Small flange" in English).