The Wubbers Half-Round Designer Mandrel Pliers come in 4 different sizes, each with two different sizes of jaws. These versatile pliers will form consistently sized half-round coils, D-ring connectors and creative, intricate designs. The total length of these hand-finished pliers is 6.75 inches and the large, padded handles are extra comfortable and easy on your hands. The Large Half-Round Mandrel Pliers are for use with 14 gauge (or thinner) wire. The larger jaw measures 14.5mm x 7.5mm and the smaller 12mm x 6mm, the length of each jaw is 33mm.