（1）The "C" type opening is adopted to facilitate the entry and exit of copper and aluminum terminals or the crimping of the middle joint of the "C" type opening.

（2）It adopts high and low pressure two-stage structure and has high working efficiency.

（3）The mould is formed by fine machining and EDM, with high precision.

（4）It is equipped with automatic pressure relief device, it can ensure that the body can automatically relieve pressure when it reaches the pressure.

（5）The clamp body is forged and formed with high strength.