Butt-welding pen sheet metal repairing, the pressure can be adjusted. Novel design, special-shaped with comfortable grip feeling, can provides welding experience. Adopts epoxy board, insulation and high temperature resistance, which can be used for a long time. Spot welding pliers, special-shaped hardware welding tongs, connect with spot welding machine to use it. Easy operation, simple and convenient to use., Manufacturer: Hopbucan