Uxcell 4mm ID 6mm OD PTFE Tubing Tube Pipe 1 Meter 3.3ft Lengh For 3D Printer RepRap Features: High lubricating ability and non-stick. Excellent electric property and long life performance. Excellent resistant to aqua regia and all kinds of organic solvents. Good resistance to high temperature and low temperature from -70-+200 degrees centigrade. Widely applied in fields like machinery automobile electronics chemicals and valves etc. Specifications: Outside Diameter: 6mm; Inside Diameter: 4mm Material: PTFE (Poly Fluoro Ethylene) Works great as a guide tube for CTC 3D Creator Fit for 3D Printer RepRap Rostock Kossel Package Contents: 1 x 1 meters PTFE tube &nbs