Electric Welding Machine Household Metal Mini Welding Machine Direct Current Welding Machine. The machine has over current and over heat conservation, with its own fault detection light. Knob button design, easy to adjust the current, quickly arcing and anti stick. Easy to Operate: This plastic welder repair kit is easy to use, you only need a few seconds to learn how to use it. The simple steps are as follows: clean the surface, choose a suitable welding stud, then heat it, and finally stick and repair. Reliable performance, waterproof and heat resistant when fully cured, can be polished or painted., Manufacturer: KHfgDHG