Hand lever with spring return HSR also called "Dead man handle" has been designed in a robust version to guarantee a long service life. Another special feature is the optional locking device. The hand lever HSR fits directly on fittings according to ISO5211. It is very easy for users to remove existing hand levers and replace them with the HSR hand lever. It is just as easy to replace the HSR hand lever with a new one after a long period of use, without having to dispose of the entire fitting.