Vevor Stud Welder Dent Repair Kit 3000W Dent Puller with 6 Welding Modes and Accessories NewWith a robust power output of 3000 watts, Vevor's stud spot welder delivers an all in one welding solution. Featuring 6 functional modes, it encompasses carbon steel, stainless steel, iron, and galvanized sheet metal. Once you have set the welding mode and power, the stud welder can autonomously identify the ideal welding time. No need for manual switch press, it will weld through automatic contact, providing accurate and effective welding results.