| 摘要 |
The present invention is a multiple socket device and a wrench employing same wherein the socket device has four different socket sizes located about a single axis comprising a first (outer) member and a second (inner) member. Both members are hollow and the second slidably fits into the first. Each member has an upper portion and a lower portion, and each such portion has a different inside diameter corresponding to one of the four different socket sizes. The outer surface of the inner member, as well as the inner surface of both the inner member and the outer member, are entirely arrayed with angular longitudinal grooves.
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