- Versatile 3-in-1 Chuck Key: Compatible with 1.5–10 mm, 1.5–13 mm, and 3–16 mm chucks, this 13-mm ratchet key enables quick bit changes on most electric drills, making it an essential tool for both DIY enthusiasts and professionals. - Durable 45# Carbon Steel Construction: Crafted from robust 45# carbon steel, this ratchet key is built to withstand wear and tear, ensuring long-lasting performance even in demanding workshop environments. - Effortless Ratcheting Mechanism: Featuring a reversible ratcheting system, this chuck key allows for easy tightening and loosening of drill chucks, significantly reducing wrist fatigue during extended use. - Wide Compatibility: Suitable for use with cordless drills, electric hand drills, and bench drills, this versatile 13-mm ratchet key is perfect for a variety of tasks in garages, homes, and job sites. - Practical Applications: Ideal for quickly switching bits while working on furniture assembly, automotive repairs, or general home improvement projects, this tool simplifies your workflow and enhances efficiency. - User-Friendly Design: Its ergonomic design ensures a comfortable grip, making it easy for anyone to use, regardless of skill level. This 3-in-1 chuck key is the reliable solution you need for efficient drilling tasks, combining compatibility, durability, and ease of use in one essential tool.