Aircraft Dynamics 2403 TRI-BALL Heavy Duty Quick-Change Chuck (7/16") (1/2" Sq. Drive) (Quick-Change Chuck)
Super Heavy Duty 7/16" (1/2" Sq. Drive) Quick-Change Chuck
The most secure and durable quick-change chuck available!
Utilizing a proprietary 3 ball bearing system (only chuck in the world that does!!!), this chuck will hold your bits, adapters and sockets securely in place under the hardest of circumstances. Designed to be used with high torque 1/2" sq. dr. impact wrenches.