Pliers having a five-bar linkage, comprising:
- a first holder including a first handle, a first jaw, and an adjusting member, wherein the first jaw is securely fixed to a first end of the first handle, and wherein the adjusting member is connected to a second end of the first handle remote from the first jaw;
- and
- a second holder including a second jaw, a first connecting member, a toggle lever, a second handle, and a second connecting member, wherein the second jaw is pivotably mounted to the first end of the first handle and faces the first jaw, wherein the first connecting member includes a first pivotal portion, a second pivotal portion, and a third pivotal portion, wherein the first pivotal portion is pivotably connected to the second jaw, wherein a first end of the toggle lever is pivotably connected to the second pivotal portion, wherein a second end of the toggle lever abuts against the adjusting member, wherein one of two ends of the second handle is pivotably connected to the third pivotal portion, wherein a first end of the second connecting member is pivotably connected between the first and second ends of the toggle lever, wherein a second end of the second connecting member is pivotably connected between the two ends of the second handle,
- wherein a line passing through the first pivotal portion and the second pivotal portion is not coincident with another line passing through the second pivotal portion and the third pivotal portion, wherein the third pivotal portion is located on a side of the second pivotal portion opposite to the first handle, wherein the first connecting member includes a first connecting section and a second connecting section, wherein the first connecting section connects the first pivotal portion to the second pivotal portion, wherein the second connecting section connects the second pivotal portion to the third pivotal portion, wherein a recess is formed in an angle between a side of the first connecting section and a side of the second connecting section, wherein the side of the first connecting section and the side of the second connecting section are opposite to the first handle, wherein a stopper portion is formed on a side of the second connecting section adjacent to the recess,
- wherein the second holder is movable relative to the first holder between a holding position and a release position, wherein when the second holder is in the holding position, the second jaw is adjacent to the first jaw, and the stopper portion disengages from the second handle, wherein when the second holder is in the release position, the second jaw is away from the first jaw, and the stopper portion abuts against the second handle.