Features: 1.Premium Material: This Ender 3 hotend is made from premium metal material, which is sturdy, durable and has efficient heat transmission. 2.High Heat Conductivity: The copper alloy we adopts has been hardened and processed to increase heat conductivity and reduce oxidation in high temperature. 3.Thermal Insulation: Thermal heat break is made from premium alloy for excellent thermal insulation between heater and cooling block. 4.Unique Design: This Ender 3 hotend with unique design doesn't need heat pipe, and there is no separate heat pipe in the cooling block, so heat dissipation is faster. 5.High Degree of Finish: This Ender 3 hotend has high degree of finish, with glossy surface and no burr, providing better and stable performance. specification:Item Type: Ender 3 Hotend Material: Metal Function: Printer Metal High Temperature Resistant Nozzle Heat Sink: Titanium Alloy Heat Sink Scope of Application: Suitable for All Metal Mk8 Ender 3 Hotend CR10 Extruder Conversion Kit Compatible: Suitable for CR 10s, for CR 10s -s5, for CR 10s -s4, for CR 10, for CR 10 mini, for CR 20, for CR 20 Pro, for Ender 2, for Ender 3, for Ender 3 Pro, for Tevo Tornado, for Alfawise U20 PackageList:1 x Ender 3 Hotend NotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.