The WELLER WLTSETLIBA12 soldering tips set includes two brand new, factory sealed tips in sizes .4mm and 4mm. These high-quality tips are designed by the reputable brand Weller and are made in China. Perfect for electrical work and soldering tasks, this set provides users with reliable and durable tools for their projects. Ideal for professionals and DIY enthusiasts alike, these soldering tips offer precision and efficiency in a convenient pack of two.