| 摘要 |
A screwdriver is provided having a handle having a first end and a second en d; a front element having a bit holder, said front element aligned with said hand le along an axis; a cylinder positioned between said handle and said front element, said cylinde r having a plurality of chambers, each of said chambers shaped to store a bit; said cylinder rotatab le around said axis; and a push rod having a first end and a second end, said push rod slidable along said handle from a first end of said handle to a second end of said handle, said push rod having a magnet at said first end. Wherein the second end of said push rod is positioned at said second end of said handle and said first end of said push rod is aligned with one of said chambers, moving said second end of said push rod from said second end of said handle moves said aligned bit from said cylinder to said bit holder; and when said second end of said push rod is positioned at said first end of said handle, moving said second end of said push rod to said second end of said handle moves said a b it in said bit holder to said cylinder.
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