Practical This spot welder controller allows you to set input time and current to meet your different needs Easy to install This spot welding control panel is designed with a screw-free quick-connect terminal, simple and convenient to connect Safe to use This welder machine controller features an opto-isolator design, and has a reliable zero-cross detection circuit Convenient to use This welding control board has two knobs, just rotate to control the time and current Replacing part This welder time current controller module is powerful and practical to use, and can replace an old or damaged module, Weight: 0.16975594174 pounds, Manufacturer: mophrati