1. Versatile Compatibility: The B10-(0.5-6mm) Drill Chuck Automatic Self-Tightening Keyless Adapter Holder is designed to fit a wide range of taper holes, making it suitable for use with lathes and milling machines. 2. User-Friendly Design: This keyless adapter holder allows for easy and quick changing of drill bits without the need for additional tools, improving efficiency during drilling tasks. 3. Reliable Performance: Featuring an automatic self-tightening mechanism, the B10-(0.5-6mm) Drill Chuck helps keep drill bits securely in place, delivering consistent performance and precision. 4. Durable Construction: Made from high-quality metal materials, the B10-(0.5-6mm) Drill Chuck is built to endure heavy-duty use in both professional and DIY applications. 5. Ideal for Drilling Tasks: Suitable for woodworking, metalworking, and other drilling applications, this drill chuck is a practical tool for achieving accurate results. Color: As shown Material: Metal Package Contents: 1 x B10-(0.5-6mm) Drill Chuck Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.