This product is a 3D Printer Extruder Kit, made of solid materials, safe and . It can last for a long time without being easily damaged. The product is an excellent 3D Printer Extruder Kit that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Assorted Color -Material:Silicone, iron -Size:17.00X11.00X2.00cm/6.68X4.32X0.79in -The 3d printer nozzle kit provides a perfect fit and offers easy installation for seamless integration with your printer. -Designed to enhance durability and ensure a longer lifespan, resulting in improved printing performance. -The combination of silicone thermal sensors and other components in the kit stable printing result by regulating temperature and preventing overheating issues. -Offers multiple specifications to cater to different needs and requirements, allowing users to choose the most suitable option for their specific printing projects. -An ideal accessory choice that provides a comprehensive combination of components for optimal printing results. Package list: 1 x heating rod 1 x heating block 1 x hose 1 x nozzle 1 x silicone cover 1 x thermistor 1