The wedged jaws provide a non-slip grip for holding and bending small objects and the grip is made strong by the hook bend in both handles. The cutting edge, which is really a breaking edge since it is not sharp like a knife-edge, can cut through heavy or large-gauge wire. Finally, this type of pliers is heavy and tough enough to be used as small hammer for use with a chisel or screwdriver, or to pound in various types of hardware, especially staples and small nails.
Combination pliers are typically machined from forged steel. The two handles are precisely joined with a heavy-duty rivet that maintains the pliers' accuracy even after repeated use under extreme force on heavy-gauge wire, and even use as a hammer.
Some versions include either an additional gripping or crimping device at the crux of the handle side of the pliers' joint. High-leverage combination pliers have rivet placed closer to the cutting edges to provide more leverage.
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