| 摘要 |
PROBLEM TO BE SOLVED: To provide a spanner of simple structure capable of easily and quickly rotating a member to be rotated only by repetitive operation of a handle of a spanner body without replacing the spanner body to the member to be rotated such as a bolt and a nut even in a limited place not taking enough feed operating angle of the handle of the spanner body. SOLUTION: The spanner body 1 is formed by a fixed jaw 3 integrated with the handle 2, and a movable jaw 4 pivoted on a shaft 5, and the movable jaw 4 is provided with walls 4a and 4b.
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