Chain Nose PERRIN Pliers a chain nose plier with serrated jaws and plastic coated handles. Serrated jaws taper to 1/16" at tips and jaw edges are beveled to prevent marring of soft wire. Used to make bends and for gripping and manipulating wires. It features a box joint construction. The overall length of these pliers is 5 1/4" and has a jaw length of 1".