Package Included: 2 Pieces PTFE PTEE Tube (1 Meters) + 4 Pieces PC4-M6 Quick Fitting + 4 Pieces PC4-M10 Straight Pneumatic Fitting Push to Connect for 3D Printer 1.75mm Filament Features:1. PTEE tube: outer diameter 4mm, inner diameter 2mm; density 2.15-2.20g / cm3; it is made of high quality PTFE (Poly Tetra Fluoro Ethylene) material, safe and non-toxic, heat resistance up to 260 C.2. PC4-M6 accessories: thread M6 / 3mm, inner diameter (blue end) 4mm, suitable for tubes with outer diameter 4mm, fittings made of high quality copper and plastic, durable.3. PC4-M10 accessories: thread M10 / 6mm, inner diameter (black end) 4mm, suitable for tubes with outer diameter 4mm, fittings made of stainless steel and plastic, high hardness, anti-oxidation, anti-corrosion.4. Compatibility: Compatible with all 1.75mm PLA ABS 3D printers.5. Installation: easy to install with external threaded connection of quick coupling.Specification:Condition: 100% Brand NewWeight: Approx. 78 gPTFE PTEE Tube SpecificationMaterial: PTFE (polytetrafluoroethylene), Density: 2.15-2.20g / cm3 heat resistance, up to 260 COuter Diameter: 4mm, Inner Diameter: 2mmWhite ColorLength: Approx. 1 metersPC4-M6 Accessories SpecificationsPTFE Tube Outer Diameter: 4mmThread: M6 / 3mmMaterial: Copper, PlasticColor: Gold + BlueIt supports 360 degree rotation and is easy to disassemblePC4-M10 Accessories SpecificationsPTFE Tube Outer Diameter: 4mmThread: M10 / 6mmMaterial: Stainless Steel, PlasticColor: Black + SilverWidely used to connect Bowden extruders, PTFE fittingsEasy to disassemblePress and hold the blue or black part of the quick connector and pull out the tubeNote: small parts, away from childrenPackage List:2 * 1M PTFE PTEE Bowden Tube (2.0mm ID / 4.0mm OD)4 * PC4-M6 Connector4 * PC4-M10 AccessoriesNote:1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.