A sonic welder was a tool that was used to clean, cut, or weld electronic components. They could be found on astromech droids, most notably the R2-series astromech droid. This article is a stub about technology. You can help Wookieepedia by expanding it. SourcesEdit Star Wars: Episode I The Visual Dictionary Star Wars Roleplaying Game Saga Edition Core Rulebook Star Wars: Edge of the Empire Core Rulebook Retrieved from "https://starwars.fandom.com/wiki/Sonic_welder?oldid=6501972" Categories: Legends articlesTechnology stubsCutting toolsSonic technologyWelding tools Community content is available under CC-BY-SA unless otherwise noted.