3 Set 3D Printer MK8 Heater Block Silicone Sock Cover Extruder Brass Nozzle 0.4 mm Aluminum Heating Block for heating and insulation

✔Good combination: The set (0.4 mm nozzle aluminum heating block heating block silicone socks) is a perfect combination and you no longer have to bother to buy accessories individually. ✔0.4 mm nozzles: With a flat contact surface, leakage of the print head can be effectively prevented, clogging of the nozzles can be prevented. The inside wall is smooth with no burrs, making the spraying process smoother ✔Aluminum heating block: High quality aluminum material, robust for use, suitable for MK7 MK8 extruder 3D printer hot end. M6 bore works perfectly with nozzle and nozzle neck. M3 inner holes are for thermocouple and mounting screw. ✔Heat block silicone socks: Hotend silicone socks can be used to quickly heat the hotend to the desired temperature, as the structure of the silicone inside the socks prevents heat from escaping quickly. ✔Simple installation: it only needs to be assembled and installed on the 3D printer. The kit contains enough spare parts to replace the damaged parts.