[1/2inch Keyless Drill Chuck compatible with Milwaukee]: This 1/2-20UNF Keyless Drill Chuck has a clamp range of 1.5mm to 13mm in diameter. The chuck can hold the drill bit tightly and securely, not easy to loosen. [Keyless and self-tighten design]: Quickly loosen or tighten the chuck by hand. There will be a ratchet sound prompt from time to time, making it easy to change the drill bit and save time and energy. [Adaptable Design]: Features a 3/8inch to 1/2inch Keyless Drill Chuck Adapter and Socket Square Converter. It is compatible with various shanks such as 3/8inch SDS-Plus and 1/4inch hex shank. This practical drill chuck tool can improve work efficiency. [Easy to use and install]: Carbide Tipped Jaws can lock onto the bits while minimizing jaw wear. Even under heavy load, it can maintain long-lasting performance and service life. [Widely Application]: The 1/2-20UNF connection size keyless chuck is compatible with most brands of electric drills, including Makita, Craftsman, Milwaukee, Dewalt, Ridgid, and more. Color: As shown Material: Metal Package Contents: 1 x impact drill adapter kit Only the above package content is included; other products are not. Note: Light reflection and different displays may cause slight color differences in the picture. The measurement allowed error is +/- 1-3cm.