1、Seamless Compatibility: This 3D printer extruder gears kit is full compatible with for K1 K1C K1Max, for Ender 3 V3, 3 V3 Plus 3D printers, ensuring a seamless fit without any issues. 2、Steel Construction: Crafted from hardened steel, the gears boast high strength and resistant to erosion and oxidation, effectively extending the lifespan of the extruder. 3、Precise Engineering: Manufactured using imported precise CNC machining, the drive gears exhibit exceptional accuracy, maintaining consistent excellent prints throughout their usage. 4、Dual Gear Design: The dual extruder gears address the issue of insufficient material extrusion during high speed printing, enhancing print stability and reliability. 5、Superior Quality: With meticulous craftsmanship and heat treatment, the gears achieve a hardness of 55 HRC, enabling them to withstand continuous usage without wearing out. Item Type: 3D Printer Extruder Gears Kit Material: Metal Compatible Models: for K1 K1Max K1C 2 x Gears 2 x Screws