| 摘要 |
One embodiment of the present invention is a screwdriver shank having a non-slip tip disposed at an end of the shank wherein: (a) a distal end of the tip is adapted to fit into a slot having a predetermined width; and (b) an edge of the tip, along the distal end, comprises two or more straight line segments wherein two of the line segments are disposed at non-zero angles with respect to each other.
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