Buy from Amazon : br br ePhoto 39 Inch DSLR Camera Slider Track Dolly Slider Video Stabilization System HSLD2-100 br br Black Anodized Linear Rail 100CM with Self-lubricating rails br Anodized Slider Carrier Bubble Level with locking knob br Compound Friction Bearings br Adjustable Feet for Leveling br Use on a tripod or on a flat surface with included feet