- Precision Engineering: Featuring 9 teeth with a modulus of 1M and an external diameter of Φ11mm, this product is designed for efficient performance in various applications. - Versatile Inner Hole: The inner hole measures Φ3.08~3.12mm/3.18 and is a two-section type, allowing for compatibility with a range of components. With a length of 10mm, it fits standard specifications for easy integration. - Durable Material: Constructed from high-quality bearing steel, this product is built to withstand wear and tear, ensuring longevity and reliability in demanding environments. - Satisfaction Guarantee: We stand behind our product. If you are not satisfied or receive a defective item, we offer a full refund or replacement, giving you peace of mind with your purchase. Applications: 1. Mechanical Systems: Ideal for use in machinery where precise gear interaction is critical, enhancing overall operational efficiency. 2. Robotics: Perfect for robotic applications requiring robust and reliable components for movement and control. 3. DIY Projects: A great choice for hobbyists and engineers working on custom designs, providing reliable performance and compatibility. This product is a practical solution for those seeking durability and precision in their mechanical needs.