Now you also have a possibility to extend your pull up bar with this Modular PU bar extension: the package includes an additional PU bar and a lateral support, which is mounted on the wall and is also compatible with different sorts of Royal Series elements.This product went through the galvanization process, and can therefore be used also for outdoors. Galvanization is a special process that prevents the steel to rust, when exposed to humidity.The accessories are not galvanized and therefore cannot be left outside but must be stored indoor to prevent rusting.The package also includes all the bolts needed to assemble the product (excluding those for wall mounting).