The T0054460399N, also known as RT 3, is a soldering tip designed for professional soldering applications. This tip features an HM shape with a width of 1.3 mm, a thickness of 0.4 mm, and a total length of 20 mm. It is rated for 40 W of power, ensuring efficient heat transfer for a variety of soldering tasks. Its specific dimensions make it suitable for precision work on electronic components.