Welcome to our shop Introducing our Universal 1/4 inch hex shank, perfect for converting hammer bits and quick change bits on electric hammer drills. This hex shank has a connection size range of 0.3mm to 6.5mm, making it suitable for general hex handle drills. Featuring a classic 3-jaw design, this shank securely holds a wide range of twist drill bits. Its versatility allows for quick job changes, making it ideal for use on hammer drills and electric motors. Constructed with durable all-metal materials, this hex shank ensures supreme longevity. Please note that this product is not suitable for counterclockwise use. Package includes 4 x 48W 3.3 square inch LED work lights, along with a screw set for adjustable mounting brackets. Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. (Customer satisfaction is our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after sales service) Thank you for meeting me.I hope this helps you. Wish you a happy life.