10Pcs B247-3345 Chuck Shaft For 1060 1075 2051 2060 2075 6000 7000 8000 6001 7001 8001 5500 6500 7500 6002 This pack includes 10 pieces of B247-3345 chuck shafts designed for compatibility with models 1060, 1075, 2051, 2060, 2075, 6000, 7000, 8000, 6001, 7001, 8001, 5500, 6500, 7500, and 6002.The chuck shaft is engineered to support secure bit retention and consistent rotational performance.