The SPI-27 is an Euro-plug unregulated line voltage Soldering Iron with 410°C maximum heat temperature, 25W output power, 230V supply voltage. Robust heating elements of special steel between natural mica-leaves, embedded in cast ceramics and first-class material make the Weller SPI irons outstanding in technology and life-time. The SPI irons come with plated and oxidation prevented long life tips.