Carbon steel. Ideal for model building, clock repairs and other delicate work. Includes straight point, straight jaw, straight jaw with cushioned grip, angled jaw, angled jaw with cushioned grip, duck bill and bent cross with cushioned grip. Carbon steel. Ideal for model building, clock repairs and other delicate work. Includes straight point, straight jaw, straight jaw with cushioned grip, angled jaw, angled jaw with cushioned grip, duck bill and bent cross with cushioned grip.