Features 1、Alloy Steel Structure: Experience unparalleled durability with our all steel construction, designed to withstand continuous use without wear. Heat treated to a hardness of 55HRC, it's built to last. 2、Erosion Resistant Coating: Crafted from hardened steel and featuring advanced coating technology, our gear effectively prevents rusting and erosion, ensuring excellent lubrication and an extended lifespan. 3、Wide Compatibility: This gear kit is compatible with a variety of popular 3D printers, including for K1, K1C, K1 Maximum, for Ender 3 V3, and for Ender 3 V3 Plus, enhancing both print efficiency and performance. 4、Integrated Design: Our extruder gear boasts an integrated design that ensures dependable and accurate filament feeding. Expect consistent, outstanding 3D printing results with every use. 5、Enhanced Print Performance: Engineered for excellent performance, this gear reduces the danger of filament slippage and improves extrusion accuracy, translating to prints with exceptional detail and consistency. Specification Item Type: Extruder Gear Material: Alloy Steel Application: For K1, K1C, K1Maximum Package List 1 x Gear