| 摘要 |
<p>The subject of the present invention is a screwdriver having a blade (2) and a handle (1), characterised in that it comprises: - a stop (5) and a ring (3) on the blade, the stop (5) being towards the flat head (7), the ring (3) being towards the handle, - a tubular guide (6) mounted on the blade (2) and surmounted by a spring (4) pressing on the ring in order to hold the said guide pressed against the stop. <IMAGE></p> |
