This keyless 1/2 inch two sleeve all metal Grip-Lok chuck with a 1/2-20 thread is standard equipment on 14.4 volt models 0516-20, 0516-22 and 0514-24. This chuck has hardened jaws for high gripping torque which prevents slippage when hammer drilling.
1/2 in. capacity, keyless chuck
1/2 in. - 20 thread
Grip-Lok chuck prevents slippage when hammer drilling