【Quick-Swap】: The integrated nozzle is suitable for Creality K1C/K1 SE /K2 SE, Ender 3 V3, Ender3 V3 Plus, 2025 version K1/K1 Max【Supports High-speed Printing up to 600mm/s】With a 30% increase in the overall hot melt section, including a 28.5mm length large hot melt section and 32mm³/s high flow, this kit enables printing speeds of up to 600mm/s.【Precision Detail】Tightly fit joints effectively prevent filament leakage during printing. With inner hole roughness Ra≤0.4, ensuring smooth filament feeding.【All Metal Design】All-metal design boasts enhanced performance and high temperature resistance up to 300°C which support PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF, PET-CF multiple filaments printing.【After-sale Service】There are more than 20 engineers for after-sales service and provide 24/7 customer service with 1-year limited and lifetime technical assistance. Please contact us via “ask a question”directly to get the professional assistance.