Features Details Highly Durable Design: The shell of stud welder kit is made of high-quality ABS body, has good stability under high temperature conditions, withstand temperature of 93-118?, and the movement is pure copper electrode. This welder stud kit is wear-resistant, strong and sturdy. Thermal Protection: The stud welder dent repair kit is designed with thermal protection function. When the temperature of the transformer reaches 95C (203F), the thermal protection function of the machine will work, providing long-term welding, security and higher efficiency. Heavy Duty Slide Hammer: The heavy-duty spot welder stud with quick-release chuck can hold the pin firmly without sliding, and its handle is made of vinyl, which is non-slip and can be held firmly. Also, the weight of the cast iron slide contributes to comfortable grip. One-handed Simple Operation: Adopts touch switch design, just press the trigger, then you can successfully weld the nails. Change to a pull hammer, hang the hammer on the nail, and you'll be able to pull the metal of the vehicle back to its normal state. Useful Accessories Included: This stud gun dent puller kit has complete accessories, which can solve all the common dent problems of vehicles. It is small in size and can be used flexibly in any position. The tool box makes the welding accessories neat and portable.