1. Gear SetThis brushless lithium electric drill selflocking gear set is made of quality metal material, ensuring durability and long service life. The fine craftsmanship and precise gear dimensions contribute to its performance. 2. Enhanced PerformanceWith this gear set, you can expect improved performance and efficiency from your electric drill. The materials used and the precise gear size ensure smooth and precise operation, making your drilling tasks easier and more effective. 3. Robust DesignManufactured with fine craftsmanship, this gear set is designed to withstand heavyduty use. It can endure torque and delivers reliable, consistent performance, ensuring longlasting durability even under demanding working conditions. 4. Easy InstallationInstalling this gear set is a breeze. The set comes with all components, and the gears are designed to fit seamlessly into your electric drill. Follow the instructions, and you'll have your drill running with the gear set in no time.