| 摘要 |
<p>The device is for tightening and untightening the wheel bolts of a car. It grips the hexagon firmly, is well supported and is worked by a lever. It can handle cases of over-tightening by electrically operated wheel bolt tools. It has a rod with circular openings to take the operating lever, which has a hand grip at one end. The base of the rod has a foot rest and there is also a knee support. The end carries a chuck for a suitable socket and the correct operating rotation of this can be selected.</p> |
