Features: Assembled extruder kit, easy to use, compatible with Creality Ender-3 V2 3D Printer. Self developed part, all metal design, durable and wear resistant, high temperature resistance up to 260 . The inner wall of throat and nozzle is smooth, small movement resistance of filament, the melting is sufficient, and the extrusion is smooth. High quality thermistor and heating tube, fast temperature rise, high temperature control accuracy and good stability. With silicone protective cover, anti flame retardant material, good heat preservation effect, and effectively keep the heating block and nozzle clean. Double cooling fan design, faster cooling effect, accelerated model curing, higher printing accuracy. Specifications: Voltage: 24V Nozzle Size: 0.4mm Item Weight: 140g/ 4.9oz Package Size: 9 * 9 * 10cm/ 3.5 * 3.5 * 3.9in Package Weight: 200g/ 7.1oz Packing List: 1 * Extruder Kit