As an industrial worker, I always look for high-quality tools to make my job easier and faster. This conical tip worked perfectly with my Weller soldering iron and lasted longer than other tips I have used in the past. The shape of the tip allowed for precise soldering and the black color added visibility when working with darker materials. As my tests showed, it heats up quickly and evenly, making my job faster and more efficient. The only downside was the price, but the durability and performance outweigh the cost. Overall, a must-have for industrial and scientific workers.