Keyless Chuck, With Lock System

1. Lock system indicating when chuck tightens tools after rotating the front sleeve,

which prevents loosening in hammer and other high-vibration application.

2. Comfortable surfact 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. Metal or plastic sleeves can be chosen according to customer's requirments.