lock system keyless drill chuck 1.Type:keyless chuck with lock system, 2.Brand:Sanou 3.Color: black ,others; 4.manufacturer lock system keyless drill chuckProducts Introduction Application:It is suitable for 1050W impacted power drills.1.Unique locking structure is quite different from the traditional locking way. The locking members are located on the rear sleeve and there is a torque enlarge ...