Specifications:Material: Carbon steel+black foaming materialSpacing: 4mmTeeth: 2 and 4 teeth available.Total Length: 17cm/6.69" (Approx.)Max Jaw Opening: 11mm/0.43" (Approx.)Weight: Approx. 200g Features:WUTA especially design: to keep it sharp, the teeth are slightly staggered when closed.The handle is made of black foaming material,and has the certain absorbent non-slip effect.Jaw workspace by calcination treatment are sharp and strong, gently bite tight leather can clamp force.It has a spring between two handles, the natural place for micro state.Advantage is almost silent when punching, does not affect others.Is suitable for the working environment, no studio in the house.