Arc welders were a tool that included a tiny blowtorch and could be used for repairs and cutting into objects. Some models of astromech droid were equipped with arc welders, including R2 series astromech droids, BB units and C1-series astromech droids.
- Star Wars: The Clone Wars – "Voyage of Temptation"
- Star Wars Rebels – "Warhead"
- Star Wars 1: Skywalker Strikes
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- Star Wars: Episode VI Return of the Jedi (First appearance)
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- Star Wars: Episode VII The Force Awakens
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- Star Wars: Absolutely Everything You Need to Know (First identified as arc welder)
- Star Wars: The Force Awakens: The Visual Dictionary