GENUINE UPGRADED EXTRUDER KIT: Get the most out of your 3D printer with this upgraded extruder hotend kit. Designed specifically for 1.75mm filament, it ensures precise and smooth extrusion with its 0.4mm nozzle, enhancing print quality and reliability.PREMIUM BOWDEN TUBING: Experience reduced friction with the premium tubing, which is formulated with high lubricity additives. This results in more responsive and accurate prints, less wear on the extruder, and minimized clogging.COMPATIBILITY PERFECTION: Hassle-free replacement for a range of printers, this kit fits perfectly with models such as Ender 3, Ender 3X, Ender 3 Pro, and Ender 3 V2, making it a versatile choice for 3D printing enthusiasts.RUGGED CONSTRUCTION: Crafted from durable materials such as Aluminum, Stainless Steel, and Brass, the kit includes a heater block cover for protection and a long 40cm length of high-grade tubing for seamless filament feeding.EFFORTLESS INSTALLATION: This kit comes complete with everything you need for a quick setup including a 1m long heater cartridge cable and four MK8 brass nozzles. Upgrading your printer has never been easier, enabling more efficient and intricate 3D models.