Features 1、[Upgraded Construction] Both gears are crafted from hardened steel and ni plated to prevent rusting, ensuring prolonged and reliable operating for extended periods. 2、[Versatile Compatibility] With its hardened steel gears, the extruder unit is capable of printing with engineering filaments such as carbon fiber nylon and glass fiber nylon, providing versatility for various printing needs. 3、[Sturdy and Long Lasting] Made from hardened steel and ABS material, this gear set is built to withstand heavy use and maintain its performance over time. 4、[Internal Component] This extruder gear is consist of a driven gear and a drive gear, works together to feed filament into the hot end, supporting 1.75mm filaments. 5、[Easy Upgrade] Easily replace the original extruder gear set with this kit to upgrade and enhance the functionality of your extruder, making printing processes smoother and more efficient. Specification Item Type: Extruder Gear Handle Kit Material: Hardened Steel, ABS Reduction Ratio: 9:53 Supported Filament Diameter: Approx. 1.75mm / 0.07in Supported Filament: PET CF, PAHT CF, PA6 CF, PLA CF, PETG CF, PLA, PETG, ABS, ASA, PC, TPU Applicable: for P1P Package List 2 x Extruder Accessories (Oblique Tooth Gear and Handle)