Features Durable Brass Construction: Made from high-quality brass, this gear is designed to resist wear and tear, ensuring long-lasting performance in your 3D printer extruder Perfect Fit for Popular Models: Compatible with leading 3D printers like Ender 3/3s/V2/5 and CR10/10s/V2, making it a versatile choice for a variety of setups Effortless Installation: Designed for easy installation and disassembly, this gear allows for quick upgrades and replacements, minimizing downtime for your printing projects 40 Tooth Design: The 40 tooth configuration provides enhanced grip and efficiency, improving the overall performance of your 3D printer extruder for precise feeding Ideal Replacement Solution: A reliable alternative for worn or broken gears, this product ensures optimal functionality and seamless operation in your 3D printing processes Features: 1、Used for 3D printer extruder. 40 Tooth brass drive gear whell, wonderful tool. 2、Made of brass, and not easy to wear out, to use. 3、Suitable for most models in the market, fit for ENder3/3s /V2/5, for CR10/10s /V2, etc. 4、Easy and convenient for installation and disassemble, reliable and to use. 5、Wonderful replacement for the old or broken one, directly fitment. Specification: Condition: 100% Item Type: Extrusion Gear Material: Brass Size: Approx. 11 x 11mm / 0.4 x 0.4in Inner Diameter: Approx. 5mm / 0.2in Teeth: 40 Teeth Jackscrew Model: M3 x 3 Package List: 10 x Extrusion Gear Package List 10 x Extrusion Gear