3500W Car Body Dent Repair Tool Spot Welder Stud Puller 77 Presets 220V 7 Modes. Get professional, showroom-quality results with the powerful AM-90E 3500W Spot Welder. Designed for the serious DIY enthusiast and professional auto body technician, thiscar body dent repair tool provides a versatile solution for removing dents without damaging the paint.