[HIGH QUALITY MATERIALS] Made with aluminum stainless steel brass and rubber for durability and longevity. [PRECISE HOTEND EXTRUDER] Features a nozzle tip aluminum heating block and pipe with built-in for optimal performance. [WIDE COMPATIBILITY] Suitable for cr10/10s/s4/s5 and is a perfect replacement part for 3D CR-10 / CR-10S printers. [EFFICIENT HEATING] Equipped with a temperature thermistor and heating tube for quick and consistent heating. [EASY INSTALLATION] Comes with a 1m thermistor and heater cable for convenient setup.