- 3-in-1 Compatibility: This ratchet wrench features three socket sizes (1.5–10 mm, 1.5–13 mm, 3–16 mm), making it compatible with most electric drill chucks. It's an ideal universal tool for both professionals and DIY enthusiasts. - Dual-Purpose Design: The 2-in-1 chuck ratchet wrench combines the functionality of a chuck key and a ratchet wrench. This innovative design simplifies the tightening and loosening of drill chucks, enhancing efficiency for various tasks. Use it as a chuck key or a mini ratchet chuck key to save space in your toolbox while ensuring reliable performance. - Durable and Reliable Material: Crafted from high-quality metal, this chuck key is built for longevity and heavy-duty use. Its wear-resistant design makes it suitable for tough tasks, and the robust construction ensures dependable performance even under challenging conditions. - Ergonomic and Comfortable Grip: The self-tightening chuck key features an ergonomic, non-slip handle that provides a comfortable grip, even during extended use. This design minimizes hand strain and allows for secure, precise operation, whether used as a chuck key or drill chuck. Use Scenarios: - Perfect for mechanics and technicians who require quick and efficient adjustments on a variety of drill chucks. - Ideal for home improvement projects where versatility and ease of use are essential for achieving professional results. - A practical choice for hobbyists who value space-saving tools without compromising on functionality or performance.