Another project involving industrial design products, it would normally remain anonymous. The Kombi-HV lock series for security doors had four adjustable bars anchored in the wall is designed to be without paneling, as to increase the thickness and dead weight of the door at a great cost. The core of the system, set vertically, is stove-enameled and the double-T sectioned bars can be adjusted according to the opening dimensions. The following year the series was increased to include versions with six and eight bars.