​Extruder Hot End Part Assembled DIY Hotend with 10pcs 30mm Line Pipe and 0.4mm Nozzle 12V 40W Heating Rod fits for 1.75mm PLA ABS 3D Printer, Replacement ends MK8, i3, Anet A8,Alunar etc

The use of a large number of MK8 brass extruder nozzles for 1.75mm filament provides a simple way to upgrade the hot end. 12V / 40W high temperature resistant heating rod (line length 1m / 39.4 in), working temperature range: 0 ~ + 280°C (0 ~ + 538°F) . Heating block is used for fixing screw: M6 and M3. SuItable for 1.75mm PLA ABS 3D printer. By improving the internal finish, the extrusion force is reduced and the reliability of retraction is improved. The size of aluminum heater block is 20 * 20 * 10mm, with the necessary screw. Perfect match with daily filaments, such as PLA and ABS. The 4.30 mm length extruder and 1.75mm tube are made of aluminum. It is and stable. Suitable for 1.75mm PLA ABS 3D printer. By improving the internal finish, the extrusion force is reduced and the reliability of retraction is improved. You can use this kit to repair the extruder, instead of replacing the new extruder when the extrusion reaches an irreparable blockage. It is an excellent alternative hot ends for MK8, i3, Anet A8, Alunar M508, CR7, V2, etc.