10 x PC4-M10 pneumatic male straight quick connector for E3D-V6 long-distance bowden extruder, and compatible with Ender-3, Ender-3 V2, CR10 and other 3D printers
PTFE Tubing Outer Diameter: 4 mm. Thread: 6mm
The upper part(black) can be inserted 4mm PTFE tube and self-locking
Made of high quality stainless steel, oxidation resistant and rust resistant, increase the life