| 摘要 |
An elongate tubular housing includes a housing first end spaced from a housing second end coaxially aligned to mount rotatably a shaft, wherein the shaft is arranged for projection through the first end, with the shaft having a screw driver bit driver at the shaft second end recessed below the housing second end in a first position, wherein the shaft is arranged for reciprocation within the shaft for projection therefrom to extend the shaft in a screw driving procedure, with the shaft including a handle for manually securing the shaft during a driving procedure.
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