The universal joint US is installed on supports, spacers and insulated spacers where they need to be mounted on round pipes, chimneys, etc. with a diameter above Ø 60 mm. The maximum diameter is not limited. In the purchase order, specify the carrier and add the designation - US (eg GKNS - ZNSH 35/150 - US). It is recommended to specify the diameter or circumference of the wearable object in order to deliver the length of the covering sleeve. It is made according to regulations and standards.