Welded joints are made of steel for welding and metal materials can be easily welded with a weld joint thickness of 20 20mm Equipped with a portable handle to help you operate the machine with ease and precision. The spot welder is equipped with several pairs of welded joints. When replacing it, just unscrew the head and screw on the new one. The compact size, stored when not in use, does not take up too much space. There is also a sling on the list. Whenever you want to use or carry a machine, you can hang it around your neck so you don't have to hold it all the time.