| 摘要 |
<p>A fastener device (10) comprising a body (12), grip means (14) to releasably retain a fastener to be worked and an arrangement (16) operable to provide relative movement between the body (12) and the grip means (14) upon manipulation thereof in a first direction to provide for working of a retained fastener and to provide no further such relative movement upon manipulation in substantially the opposite direction.</p> |
