1. Versatile Compatibility: The B10-(0.5-6mm) Drill Chuck Automatic Self Tighten keyless Adapter Holder is designed to fit a wide range of taper holes, making it perfect for use with various 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, enhancing efficiency during your drilling tasks. 3. Reliable Performance: With its automatic self-tightening mechanism, the B10-(0.5-6mm) Drill Chuck ensures that your drill bits remain securely in place, providing optimal performance and precision while working. 4. Construction: Made from high-quality materials, the B10-(0.5-6mm) Drill Chuck is built to withstand heavy-duty use in both professional and DIY projects, ensuring and reliability. 5. Perfect for Drilling Projects: Whether you're working on woodworking, metalworking, or other drilling applications, the B10-(0.5-6mm) Drill Chuck Automatic Self Tighten keyless Adapter Holder is an essential tool for achieving excellent results. Colour:As Shown Material:Metal Package Contents: 1 x B10-(0.5-6mm) Drill Chuck Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.