Product list: 1 Hotend Nozzle set, 4.17cmx1cmMaterial: Hotend Nozzle is made of titanium alloy and chrome zirconium copper, which is strong and wear resistant, ensuring long term stable performanceDetachable design: Hotend Nozzle is flexible in design, and the detachable structure is easy to maintain and replace, improving the convenience of useAnti blocking design: Hotend Nozzle is not easy to block and leak, ensuring a smooth printing process and improving printing qualityEasy installation: Hotend Nozzle has simple installation steps, without complex tools are required, and replacement can be easily completed, saving time and energy Specification: Material: Titanium alloy, chrome zirconium copper Size Chart: 4.17cmx1cm/1.64inchx0.39inch Package Includes: 1 Hotend Nozzle Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.