a power driven socket holding ratchet wrench which has a socket made so that it has a central opening that may be used for receiving a long stud or member , which passes through the socket . the wrench acts much like a box end wrench . the wrench is made so that it can be relatively compact in axial height , that is , along the length of the sprocket and the frame is small in diameter relative to the socket size to permit it to fit into tight places . the power drive is capable of being positioned at an angle relative to the wrench head , and the wrench includes a unique ratcheting and quick release mechanism that facilitates the operation of the unit .