With the fischer toggle and spring fixing KD different fittings such as pictures, lamps and shelves can be fixed in gypsum plasterboard and gypsum fibreboards, chipboard and cavity floor slabs made from bricks and concrete. The long threaded rod allows use in different panel thicknesses and fitting thicknesses. The plugs are inserted in the pre-position installation into the drill hole and automatically fold out behind the panel. A special installation tool is not needed and this allows comfortable and quick installation.