The lockable window handle ABUS FG200 is primarily intended for the safety of children, but also as a burglary-resistant product for window security in certain break-in methods. You should also secure the hinge side. A lockable window handle is a useful thing, especially for parents. This way you have control over where the children can open the windows. The window handle is simply closed using the pressure cylinder; the key is required to open it. The FG200 can be used on windows made of aluminum, wood or plastic. The square pin can be adjusted. The FG200 is installed in place of the existing window handle.