Nail Nipper, Sklar. 4-1/2 in., Concave, Smooth, Pliers with Barrel Spring / Ratchet, Stainless Steel. The Merit Nail Nipper is used for removing portions of the toe nail or the nail plate. This product features barrell spring, grooved, plier handles with a locking mechanism that is released upon squeezing the handles. This lock is intended to keep the sharp blades closed when the instrument is not being used. The barrel spring allows for the jaws to open wider for a more accurate placement of the sharp blades. This product is 4-1/2 inches long and features concave blades.