Compatibility▲ 3D Printer Part Kit Compatible with Creality ender 3, ender-3x, ender-3 pro, Ender 3 V2,CR-10 J-Head Hotend 3D Printer
Technology▲It is specially developed for 1.75mm flament, with 2mm ID and 4mm OD, with extremely precise inner diameter. There are uniform tube shape, inner diametel and perfect round shape, which ensures smooth flament-flow
High Grade pneumatic connector▲Package comes with 2*PC4-M6 fittings for the extruder and 2*PC4-M10 coupler for the hot end, Its 4mm inner diameter is used for the Teflon tube with the outer diameter of 4mm.They are made of copper, with plated surface, smooth and wear-resistant, and both are run-through for easy trimming of ptfe tubing
About nozzles▲smooth inner wall without burr, minor viscosity coefficient, smoother tapping