The Medium Tripod Dolly with Cable Guards allows for quick and smooth movement for tripods weighing up to 132 lb. It is equipped with individually braked 4″ wheels with cable guards and folds for easy transporting. It's designed for use with all E-Image tripod legs that feature dual spiked feet. It supports up to 132 pounds and is ideal for moving tripods along a flat surface for quick re-positioning between shots and is designed to help you move heavy tripods from one camera position to the next.