Features Durable Metal Design: Built with a robust metal extrusion mechanism, this kit ensures high wear resistance and longevity for reliable performance in your printing projects High-Temperature Capability: The nozzle can heat up to 260℃, allowing for the use of flexible materials and enhancing your 3D printing versatility and quality Enhanced Heat Insulation: Featuring a heat insulation rubber sleeve on the heating block, this upgrade maintains optimal printing temperatures for consistent results Versatile Compatibility: Designed for 12V systems, this kit upgrades CR-10 series machines, making it a practical choice for various printing applications Expanded Usage Range: The 24V version is compatible with ENDER3, TEVO Tornado, and Alfawish machines, offering flexibility for different printing needs and setups Features: 1、Extrusion mechanism adopts metal design, high wear resistance, not easy to wear. 2、Flexible materials are better, the nozzle heating temperature can reach 260℃. 3、Heat insulation rubber sleeve is added on the heating block, so as to maintain the printing temperature more effectively. 4、12V is suitable for CR‑10 series machine upgrade short‑range printing, which keeps wide application. 5、And 24V is suitable for ENDER3 / TEVO tornado /Alfawish machine upgrade short‑range printing. Specification: Item Type: Printer upgrade kit Model: JH-91-12V / JH-91-24V (optional) 12V: Suitable for CR-10 series machine upgrade short-range printing 24V: Suitable for ENDER3 / TEVO tornado /Alfawish machine upgrade short-range printing. Package List: 1 x Motor 1 x Motor Line Package List 1 x Motor 1 x Motor Line