I think if you are looking at the container holding everything (so right when you drag one in), hover your mouse over it and hit F11 until you see a table dat in the viewer. Then you can activate the viewer and edit it, and it has a lot of the settings associated to the TUIK gadgets.
I think there is a version with just a single handle. Or you can basically get the same results by using a plain Slider COMP and then adding a Text TOP in the network and adding it to the background of the comp.