Features: Brand new and high quality This hotend kit is suitable for Neptune 3 Pro 3D printers. This Heaters kit is installed with heating tube, thermistor, Nozzles, silicone sock, which is convenient to replace and use before the Printers. This kit contains heating block, heating tube, thermistor, hose, Nozzles and silicone sock. Adopts throat that can withstands temperatures of 300℃, provides stable printing quality. Suitable for exploring 3D printing technology and creative designers bring their designs to life. Specifications: Material:Metal+Plastic Type:0.4mm Printers Head/0.4mm Set Package Includes: 1 Set Print Head note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.