Weller Soldering Wire (WSW) increases productivity, and optimizes your soldering performance with guaranteed 100% continuous flux core and pure first metal melting.

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Weller Tools has been innovating hand soldering for 75 years with power and passion: Our vision and mindset still holds true for the company on a global basis. In 1945, we invented hand soldering and have continued innovating, bringing the world into the next-generation of soldering with our latest technologies as well as with innovative product designs.