Jacobs Chuck 14442, 34-02, Capacity 0-1/2″ , Tapered Mount 2 J. T.
Jacobs 14442 34-02 Fluted Heavy Duty Drill Chuck, 0.04 to 0.5 in Capacity, 2JT Mounting, Plain Bearing, K3. Mount Type: Tapered. Minimum Drill Chuck Capacity (mm): 12.70. Maximum Drill Chuck Capacity (mm): 12.70.