| 摘要 |
An driver extension wrench having a pair of elongate housing members with openings at opposing ends of the housing members, with a plurality of interior posts at a predetermine spacing. The openings have sockets with exterior gear teeth. Gears are mounted on each of the posts and cooperate with each other and the sockets so that rotational force applied to the first opening is transmitted through the gears to the second opening to be applied to a fastener.
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