[1/2 inch Keyless Drill Chuck for Milwaukee]: This 1/2-20UNF keyless drill chuck has a clamp range of 1.5mm to 13mm in diameter. The chuck securely holds drill bits and is not prone to loosening. [Keyless and self-tightening design]: Easily tighten or loosen the chuck by hand. A ratchet sound provides feedback during adjustment, allowing for quick bit changes and saving time and effort. [Adaptable design]: Includes a 3/8 inch to 1/2 inch keyless drill chuck adapter and socket square converter. Compatible with various shank types including 3/8 inch, SDS-Plus, and 1/4 inch hex shanks. A practical tool to improve work efficiency. [Easy to use and install]: Carbide-tipped jaws grip bits firmly while reducing wear. Maintains reliable performance and durability even under heavy loads. [Wide application]: The 1/2-20UNF threaded connection fits most brands of electric drills, including Makita, Craftsman, Milwaukee, DeWalt, and Ridgid. Color: As shown Material: Metal Package Contents: 1 x Impact drill adapter kit Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.