Product information The products supplied by us are to be used exclusively for their intended purpose. Installation may only be carried out by trained specialists; installation instructions are generally not supplied. When installing our products, only new fastening material (screws and their components) of the quality specified by the vehicle manufacturer may be used. The procedures required for fastening our products during repairs must always be carried out in accordance with the vehicle manufacturer's specifications and the corresponding tightening torques and tightening procedures must be used.