| 摘要 |
A key system including a key for use with a barrel lock having a rotating locking mechanism. The key includes a grip portion and a shank portion operatively attached to the grip portion. The shank portion includes at least one cam surface for rotatably engaging the rotating locking mechanism to permit rotation of the mechanism in one of a clockwise or counter-clockwise direction, but not the other direction, to lock the barrel lock.
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