2 spot welding guns can perform two functions with different accessories simultaneously, effectively saving transition periods and improving your working efficiency Our dent puller welder supports 7 welding modes and a wide range of welding power. You can choose the suitable welding mode and power according to the condition of your car body. Side holes can help the dent puller to quickly dissipate heat. Built-in thermal protection prevents the machine from overheating and burning, thus extending the life of the machine. Complete accessories can meet your needs for repairing various dents and stains. In addition, a compact toolbox is provided to solve your storage problems. This auto body dent puller welder is widely used for dent forming and sheet metal repair. It is a professional tool for repairing car body dents and stains in a garage.