This Nylon Jaw Forming Plier This Nylon Jaw Forming Plier is ideal for working with soft metals like sterling silver to create soft bends. the nylon is much gentler than metal on metal, avoiding marring the surface. It can also be used to smooth out kinks in wires and pins. Simply draw the wire through the jaws, turn and draw again to take out the kinks. You can even reduce the gauge of sterling wire by repeatedly drawing the wire through the jaws. ideal for working with soft metals like sterling silver to create soft bends. the nylon is much gentler than metal on metal, avoiding marring the surface. It can also be used to smooth out kinks in wires and pins. Simply draw the wire through the jaws, turn and draw again to take out the kinks. You can even reduce the gauge of sterling wire by repeatedly drawing the wire through the jaws