①. High Thermal Conductivity Uniform Heating: 360surround ceramic heater improves heating efficiency, more uniform heating and faster heat transfer. ②. Efficient Cooling Upgrade for Easy Printing: Heat dissipation part featuring a split design for reduced heat transfer, the heat sink enhances cooling efficiency. ③. High flow, supporting high-speed printing: Enlarged nozzle chamber, achieving a maximum flow rate of up to 30 mm/s, and supporting high-speed printing at 600 mm/s. ④. All-metal integrated design, quick disassembly and assembly: The nozzle and heat break adopts an all-metal integrated design, facilitating quick disassembly and convenient replacement. ⑤. Upgraded material, suitable for printing a variety of filaments: Versatile Material Compatibility: Crafted with a titanium alloy heat break and a nozzle of copper alloy and hardened steel, this hotend is tailored for a broad range of printing materials, supporting PLA, ABS, PETC, TPU, PP, PC, PLA-, PA-, PET-. ⑥. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! ⑦. Colour: Photo Color ⑧. Material: Copper alloy + hardened steel ⑨. Package Contents: 1x Hot End Kit; 4x Wrenches; 3x chrome-zirconium-copper integrated throat nozzles (0.4+0.6+0.8mm). Only the above package content, other products are not included. ⑩. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.