Rongeur, Beyer, Curved, Single-Action, 7 inch Long Special features: w/double springs and cupped jaws. jaw cups are 4 mm wide by 22 mm long. for use in surgical procedures of the ear, nose, and throat. Blade shape: curved Iii part name assigned by controlling agency: rongeur, beyer, curved, single-action, 7 inch long w/ double springs. for e.n.t. surgery Material and location: steel, corrosion resisting overall Overall length: 7.250 inches nominal Design designation: beyer