Features: Experience high-temperature printing with the K1 PRO Hotend Kit, supporting up to 300℃ and optimized for carbon fiber materials. This durable metal kit features a triple-component nozzle for improved wear resistance and print quality, with a maximum- flow rate of 45mm³/-s and an upgraded gas- connector for easy installation and removal. Optimize the disassembly and installation of gas- connectors, increase the number of radiators, and increase heat dissipation Extend the hot melt area of the radiator- pipeline to reduce material leakage. The nozzle consists of three metal components and adopts a new process，more wear-resistant and improve printing quality. Specifications: Name:Full Set Hot-end Extruder Kit Model：K1 PRO / K1 UHF Material:Metal Nozzle Size: 0.4mm Color: As Pictures Applicable Model: For Ender-3 Ender-3 -V2 VORON 2.4 Item Size: Mixed Weight: 160g Package Includes: 1PC Hot-end Extruder note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 1cm errors due to manual measurement.