VEVOR Stud Welder Dent Repair Kit, Spot Welding Machine with Slide Hammer Dent Puller, Professional Dent Removal Kit for Auto Body Dent RepairProduct Features Small Welding Traces Compared with other products, our spot puller's single sided welding thickness is 0. 6 1. 2 mm, so the welding spots are small, while the strength is relatively high, and the back metal coating or paint surface will not be damaged. 2 Main Welding Guns Equipped with 2 welding guns, you can perform two different functions (switching the puller function to the welding function), which means that the time and energy