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