Keyless drill chuck(with lock system) Recommended for impact electric drills up to 800-1200W.

Features:
1.Lock system indicating when chuck tightens tools, when rotate the front sleeve, which prevents loosening in hammer and other high-vibration applications.
2. Comfortable surface of sleeve and positive gripping can apply more output torque.
3. By using specialized anti-thrust bearing to convert hand-applied torque into superior gripping force.
4. Color and style can be made according to the customers demands to match different drills.
5. Metal or plastic sleeves can be chosen according to the requirements.