The Bowden tube, 70,5 cm long. Made from PFA. Outside diameter 6.35mm, 3.17mm inside is used to transport the filament to the extruder head. Includes two Clamp Clips and two Tube Coupling Collets. This part is compatible with the complete Ultimaker Original, Ultimaker Original+, Ultimaker2 and Ultimaker2 Extended. Please note, the bowden tube is not compatible with the Ultimaker2 Go.