Fueltheft is impossible after installing this aluminium anti-syphon system. The safety of the diesel is guaranteed till the top of the tank. The stainless steel part, which you could move upwards, makes it possible to refuel with an automatically fuelpistol. This version is used for standard Scania filling neck and in combination with the adapter for bayonet fillingneck which are used through: Volvo, Mercedes-Benz, Daf, MAN, Iveco enz. More information about out anti-syphon solution could you find on the website: www.protanktion.com.