Creality Official Extruder Kit for K1 Series CFS Upgrade Accessory Kit, Built in Filament Break Sensor and Cutter, Dual Gears Smooth Feeding, Force Up to 80N

【Original Quality】: 100% Creality Official extruder kit for K1 series CFS upgrade accessory kit; Specially designed for 3D printer K1C, K1 SE, K1, K1 Max(After upgrade to multi-color system) 【Built-in Filament Break Sensor】: The built-in "zero-distance" filament break detection mechanism in the multi color extruder accurately identifies feeding interruptions and promptly alerts the user; Shorter distance detection reduces waste of filaments 【Built-in Filament Cutter】: A filament cutter is integrated for accurate filament change; The filament cutter is made of wear-resistant materials, which have a longer lifespan and simpler maintenance 【Dual Gear Feeding】: High-hardness, wear-resistant dual gears ensure durability against repeated feeding and retraction, as well as the abrasive nature of fiber-reinforced filaments, significantly extending the lifespan 【Note】: This multi-color extruder is only suitable for K1 series models with integrated nozzle or hotend; For normal K1 series 3D printers, you need to purchase the new integrated nozzle or hotend kit separately and replace it before use