Plasterboard expander, metal expander also called Molly. Metal expander for strong fixing in plasterboard and other board materials. The arms of the metal expander expand on the back of the board. Suitable for heavier installations according to the material properties of the board and suitable for board thicknesses between 6-33 mm. Requires a cavity behind the panel. Electro-galvanized for indoor use and also suitable for use where fire resistance is required. The mounting detail can be removed and reinstalled by loosening the screw. Tighten the anchor with a screwdriver or with a special mounting pliers. Available in several sizes and with 2 different shells. One variant with a regular Phillips grip and one with a bolt head for heavier installation where you can get a maximum tightening torque.