The Bowden tube, 850 mm long. Made from PTFE. Outside diameter 0.25 inch, inside 0.125 inch. BT is used to transport the filament to the extruder head. The kit includes 2 tubes and new coupling collets & clips. Note: the thicker black clip is installed on the feeder side.
Fits following printers: UltiMaker S5, S6, S7 & S8