Compatibility: Designed for 42-66-2706, 42-66-1006, 42-66-2707, and 2804-20 drills with a 9/16 inch-18 mount. Clamping Capacity: Securely grips drill bits ranging from 1/16 inch to 1/2 inch in diameter. Keyless Design: Quick and easy bit changes without requiring a chuck key. Construction: Crafted for long-lasting performance and reliability. Replacement Part: A genuine Shinelan replacement chuck for your drill. Upgrade your drilling experience with the Shinelan 42-66-2704-20 Keyless Drill Chuck. Its keyless design allows for easy and secure bit changes, enhancing your productivity. With its construction and precise clamping mechanism, this chuck ensures a firm grip on your drill bits, reducing slippage and improving overall performance. Tackle a wide range of drilling tasks with confidence and efficiency. Colour:As shown Material:Metal Package Contents: 1 * 42-66-2704-20 Keyless 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.