In addition,we have specially prepared 2 meter long Bowden tubing at a lower price and equipped with a tubing cutter. You can freely cut the length of the tube convenient for use.Using Premium for PTFE tube is the to upgrade your 3D printer. Specification: Product Name: for Premium XS bowden Tubing Material: PTFE ( Ethylene) Length: 2 meters Heat Resistance: up to 280 Celsius Color: Blue ID: 1.95mm +/- 0.05mm OD: 4.0mm Specification: Product Name: PC4-M6 Fittings ID: (blue end) 4mm Thread: M6/3mm Material: Copper,Plastic Color: Golden + Blue Specification: Product Name: PC4-M10 Fittings ID: (black end) 4mm Thread: M10/6mm Material: Copper,Plastic Color: Silver + Black TIPS: Installation: connecting by the outer thread of the quick fitting. Disassemble: press and hold the blue or black end of the quick fitting and pull out the tube. Small parts,keep away from children. colour:Blue, black, silver Material:Metal, PTFE, brass Package Contents: 1 x 2M for Tubing 4 x PC M6 Fitting 4 x PC M10 Fitting 6 x Cable ties 1 x PTFE Tube Cutter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.