- High-Quality Material: Crafted from durable 45# steel, these spur gears ensure long-lasting performance and reliability in various applications. Note that some gears may have surface rust, a common characteristic of hardened steel. - Comprehensive Package: Each purchase includes 5 precision-engineered spur gears, providing you with the essential components needed for your mechanical projects. - Versatile Applications: Ideal for use in machinery, robotics, or any DIY projects requiring reliable gear systems. These gears excel in transferring motion and force efficiently, making them suitable for both professional and hobbyist use. - Compatibility: Designed to fit a range of standard gear systems, these spur gears can easily integrate into your existing setups, enhancing functionality without the need for extensive modifications. - Performance: With their robust construction, these gears offer excellent torque transmission and minimal wear, ensuring smooth operation and extended service life. Invest in these high-performance spur gears to enhance your mechanical projects with reliability and durability.