Use red copper material as the clamping head and contact head to improve conductivity and make welding smoother.. Small size, easy to carry and store, convenient to use and with good performance. With great workmanship, can perfect replacement for the old one.. Brass material is corrosion resistant, which greatly increases the service life.. Can be rotated 360 without winding, which solves the inconvenience caused by winding and greatly improves work efficiency..
