Crafted for precision and durability, the Weller PSI7 Soldering Iron Tip features a double flat design with a 3.18 mm size that's ideal for a variety of applications. Whether you're a professional electrician or a DIY enthusiast, this tip is engineered to provide a reliable and efficient soldering experience with your Weller tools. The robust construction ensures longevity and consistent performance, making it a trustworthy choice for your electronics projects. Its compatibility with the Weller PSI7 series assures a perfect fit, ensuring you can maintain your focus on your work without the distraction of equipment failure.