Heetrix.The Heetrix, designed by a Jay Whaley of Whaley Studios, mounts on top of the bench and the soldering platform swings out of the way when not in use. It also rotates for convenience. It can be held on the bench by using the included C clamp or by drilling a " hole in the bench. The included special third hand attachment with a fibre grip tweezer easily allows for hands free work. Remove the fitted Solderite Disc and a depression is revealed which holds soldering grain. Great for holding small parts and may be used wet or dry. Replaceable Solderite disc is 3" and overall length with swing arm is 7".