- Versatile drill bit compatibility: The adjustable clamp accommodates various drill bit specifications, ensuring you can use the right tool for any job. - Smooth operation: The double-gear drive mechanism allows for flexible hand operation, minimizing jams and providing a two-way hand crank function for added convenience. - Reliable performance: The precisely meshed ring gear enables smooth and efficient operation, enhancing your overall drilling experience. - Durable construction: Crafted from No. 45 steel, this drill frame and hand crank are precision cast for exceptional workmanship, high precision, and excellent wear resistance. Use scenarios: - Ideal for both professional and DIY projects, this tool is perfect for tasks requiring different drill bit sizes, such as woodworking or metalworking. - Great for maintenance and repair jobs where versatility in drill bit usage is essential, allowing for efficient completion of tasks without the need for multiple tools. - Suitable for hobbyists and craftsmen who require a reliable and durable setup for various drilling applications.