The WHD 40 is the essential tool for complementing the WHS 40 stations. During inspection, you can feel the quality and technical excellence that has been incorporated into the design. It is perfectly weighted, made from high-quality materials, and user-friendly. Soldering irons are used for working with and reworking solder in all application areas, especially in the repair or construction of circuit boards with SMD and through-hole components. They are commonly used in the development of electronic prototypes and production, as well as in all applications where a circuit board component needs to be removed or adjusted.