| 摘要 |
A plier device includes two longitudinal elements pivotally secured together with a middle pivot shaft, and each having a handle member and a jaw member. A ratchet device is disposed in one of the longitudinal elements. A follower is rotatably disposed in the other longitudinal element and has a pawl detachably and adjustably actuated to engage with the ratchet device for adjusting the opening size of the jaw members. A knob is slidably engaged on the other longitudinal element and has an actuator engaged with the follower to force the pawl to engage with the ratchet device.
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