| 摘要 |
An extension handle apparatus for wrenches comprising an extension bar, a fixed support bracket fixedly coupled to the extension bar, and a moveable support bracket slidably coupled to the extension bar. The moveable support bracket comprises a sliding jacket member, first and second spring retaining protrusions and a locking spring wherein the moveable support bracket is moved along the length of a portion of the extension bar for accommodating a variety of wrench lengths.
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