Upgrading from the old plastic blue tubes to articulated steel tubes has never been easier! iSwiss now sells pre-defined kits for top-selling machines (Star, Citizen and Nakamura-Tome). Our articulated steel tubes provide many advantages and improvements over the plastic tubes. The first and biggest improvement you will notice is the impact to your cutting tool efficiency and tool life. These kits are easy to install and will stay in place making sure coolant is directed always to the same point.