| 摘要 |
The present invention describes a new and novel screwdriver head designed for use specifically with combo screws or uni-screws. The screwdriver head has a shank and a head having opposite mounted single straight ribs or blades of the type used on a standard flat-bladed screwdriver, and, perpendicular thereto, a pair of ribs of the Phillips headed screwdriver type. In between the pairs of ribs are recessed areas for connecting with the walls of the combo-screws.
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