Heetrix Soldering Board is made for a jeweler; designed by a jeweler. The Heetrix allows you to safely solder. It's easy to use and easy to tuck away. It mounts on the top of the work bench, while in use swing the platform out and when your work is done, swing it back over the bench out of your way. It also includes a special third hand attachment with fibre grip tweezers, allows for hands free work. Remove the fitted solderite disk to reveal a hidden compartment where you can store soldering grain, or pumice stones. The solderite disk is 3 3/4". With the swing arm extended, the overall length is 7".