MIG Welding Accessories - Create a Precise Spot weld Without Cutting Scrap Metal Plugs Ideal For MIG Welding Copper Plate Welder Tools Is Made of 2mm Thick Red Copper Plate, Which Has Good Thermal Conductivity And Will Not Stick to Pure Copper Plate or Burn Through Thin Metal Copper Spoon Welder Tools- 3 Angled Spoons: Flat Curved And 90 Degree To Plug Weld at Any Angle Backed by Amazon's A-Z Guarantee Support one-year warranty, if the copper plate is burned out, contact me to replace it for you. Aluminum solid handle is more durable Light Weight Handle Dimpled Comfort Grip- easily adjustable offset screw hole to weld in tight spots Anyone who has to butt weld sheet metal panels together will need this tool . You’ll need to put spacer clamps between the panels and use this tool as a backer to weld in between the two edges . This tool will allow the weld to apply to the panel edges and make the weld possible . Without this tool , trying to weld the edges is much more difficult . It also helps to limit burning trough the edges . It given a chance to apply weld with less direct application directly to the edges which causes burn through . The weld is pointed at the copper , which the weld won’t stick to , and build up on the edges . There is a better way to explain it , but that’s basically how it works . Product acessories： Right angle copper plate*1 Radian copper plate*1 Flat copper plate*1 Aluminum handle*1 Fastening screw*2 Stainless steel wire brush*2 Metal Sheet Thickness Gauge*1