The lockable window handle Abus FG210 is primarily designed for child safety and also provides resistance against certain burglary methods. The hinge side should be additionally secured. For parents, a lockable window handle is a practical solution, as it allows them to control where their children can open the windows. The window handle is easily locked using the pressure cylinder, and a key is required to open it. The FG210 can be used on windows made of aluminum, wood, or plastic. The square pin can be adjusted. The FG210 is installed in place of the existing window handle.