Multi purpose clamp design for your Hot Wheels Track Collection, you can use this clamp as starting point of your race, as bridge or jump support and also you can use as tunnel, file contain 3 model which is the clamp,screw and connector, you can scale up or down 1 - 5% if you feel the screw is too tight or too loose,you need to power glue the connector into the slot at the clamp body.