| 摘要 |
A tool for loosening or tightening screws. The tool has a number of shafts with screwdriver bits on their ends that are stored in elongated grooves that are parallel to the longitudial axis and circumferentally spaced around the handle. Each stored blade can be rotated separately out of the storage handle 180 degrees on a pivoting hinge into a housing head which locks the extended shafts in place for operation. The housing head can be rotated 360 degrees perpendicular to the elongated axis of the handle in order to accomadate each blade separately.
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