Abstract: A pair of pliers including a first handle, a bolt movably mounted on the first handle, a first jaw secured to the first handle, a second jaw linked to the first handle, a spring connected between the first handle and the second jaw, a second handle linked to the second jaw, a strut linked to the second handle at an end and abutting the bolt at another end, and a lever linked to the second handle for control over the strut. The first jaw includes a tooth formed thereon and a flat edge formed next to the tooth. The second jaw includes a tooth and a concave edge formed next to the tooth thereof.

Abstract: A pair of toggle operated pliers includes a first handle with an adjusting screw attached thereto, a second handle, a toggle link pivotally connected between the first handle and the second handle, and a release lever having an end pivotally connected to the second handle by a first pin. The first pin includes two first exposed enlarged ends. The toggle link includes an end pivotally connected to the second handle by a second pin. The second pin includes two second exposed enlarged ends. A first anti-slide cover is detachably attached to the first handle and includes a first compartment for fittingly embracing a portion of the first handle. The first anti-slide cover is prevented from disengaging from the first handle by a head of the adjusting screw. A second anti-slide cover is detachably attached to the second handle and includes a second compartment for fittingly embracing a portion of the second handle.