For good quality production shots Shootvilla designs lightly weighed 1/2 circle track. Unconquerable smoothness of 180 degree 1/2 circle Slider automatically attracts modern cinematographers. High grade Aluminium used for construction. The design of the tracks is sdo esigned to make them lighter but strong enough to bear heavy cameras. Adjustable legs level your slider properly. Foldable and removable legs Dual bearings on each wheel keeps the movement smooth and steady on curved track. Can be used grounded as well as on tripod