Welcome to our store! 1. Premium Material: This Ender 3 hotend is constructed from premium metal materials, ensuring robustness, durability, and efficient heat transfer. 2. High Thermal Conductivity: The copper alloy used has been hardened and processed to enhance thermal conductivity and reduce high-temperature oxidation. 3. Thermal Insulation: The thermal heat break is made from a premium alloy, providing excellent heat insulation between the heater and the cooling block. 4. Unique Design: This Ender 3 hotend features a unique design that eliminates the need for a separate heat pipe within the cooling block, allowing for faster heat dissipation. 5. High Finish Grade: Boasting a high finish grade with a smooth, burr-free surface, this Ender 3 hotend delivers superior and stable performance. Item Type: Ender 3 Hotend Material: Metal Function: Printer Metal High-Temperature Resistant Nozzle Heatsink: Titanium Alloy Heatsink Scope of application: Suitable for All Metal Mk8 Ender 3 Hotend CR10 Extruder Conversion Kit Compatible: Suitable for CR 10s, CR 10s-s5, CR 10s-s4, CR 10, CR 10 mini, CR 20, CR 20 Pro, Ender 2, Ender 3, Ender 3 Pro, Tevo Tornado, Alfawise U20 1 x Ender 3 Hotend Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues with the product, please contact the seller immediately. We strive to provide satisfactory customer service.