1HIGH ACCURACY PRINTING: Our printer extruder nozzle ensures accurate and high speed printing, resulting in premium prints every time. 2SMOOTHLY AND LOW FRICTION MOVEMENT: With its smoothly and low friction motion characteristics, our printer nozzle reduces energy loss and mechanical wear, allowing for smoother and more efficient printing. 3MODULAR DESIGN FOR EASY INSTALLATION AND MODIFICATIONS: Our printer nozzle is designed with modularity in mind, making it easy to install and modify according to your needs. No complicated procedures or technical expertise required. 4DURABLE AND RELIABLE: Made with premium high carbon chromium steel materials, our printer nozzle is built to last. It offers long term durability and reliable performance, ensuring consistent and dependable printing results. 5APPLICABLE MODEL: Our printer nozzle is specifically designed to be compatible with the for Neptune4, 4PRO, 4 maximum series of 3D printers. Enjoy seamless integration and optimized performance with your printer. 1 x 3D Printer Head 3 x Protective Cover 3 x Replacement Printer Head 2 x Screw