New Nylon Jaw Flat Nose Pliers For Straightening Wire, Wire Wrapping & All Your Jewelry Repairing Needs. This is a new pair of flat nose pliers with nylon jaws. These are great for straightening wire and wire wrapping without marring or scratching the surface. Perfect for jewelers, beaders, crafters and all your jewelry repairing needs. Box joint construction maintains alignment of jaws, even under stress. These have a single leaf spring for ease of use. It has two nylon jaws that taper from 3/8 to 3/16 (9 to 5 mm). They measure approximately 5 1/2 (139 mm) long.