网页FluidX External & Internal Thread Next Generation Jacket 2D-Coded Tubes. Jacket 2D-coded tubes are co-molded tubes that provide a 2D code on the base of the tube. Available tube formats External Threaded tubes: 0,26ml / 0,5ml / 1,0ml. Capping options: Screw cap, Septum cap. Available tube formats Internal Threaded tubes: 0,48ml / 0,65ml / 0,9ml.