Bird beak angle plier is flat, round beak and Necessary for working round wires up to .032” (0,80 mm) in diameter. The beaks are .040” at the tip. A 9° angle is ground on the sides of pyramid beak to allow for wire spring back. Beaks are parallel at .020” (0, 51 mm) pliers opening. TC instruments are designed to stay sharp for a significantly longer period of time than other standard instruments.