Usage Tips: [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]: Allows quick tightening or loosening of the chuck by hand, with a ratchet sound as feedback, making bit changes easy and efficient. [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 shank, making it a practical tool for improved work efficiency. [Easy to use and install]: Features carbide-tipped jaws that securely lock onto bits while minimizing wear, maintaining durable performance even under heavy load. [Wide application]: The 1/2-20UNF 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. Only the listed item is included; other products are not included. 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.