<p><b>Note: Camera, tripod and ball head are not included. </b><p><b>Descriptions:</b> <p>The aluminum alloy camera track slider rail helps you with smooth movements and professional feeling in video making and photography. <p>We upgrade the product with U-shaped ball bearings under the slider part to ensure both smooth motion and minimum abrasion on aluminum alloy tubes to achieve stability and quietness when used to filming. <p>4 U-shaped ball bearings under the slider part to ensure both smooth motion and minimum abrasion on aluminum alloy tubes. <p>2 threaded holes at each end of the track to mount tripod for vertical shooting; 4 threaded holes in fixed plate to mount tripod for horizontal and even 45-degree shooting; 2 threaded holes in slider plate to mount other accessories such as magic arms to enrich your photo quality. <p>Foldable legs for less a burden, easier portability and quicker set up time. <p>Leg position is adjustable in large scale for demanding filming task. <p>Gear-shaped joint interface and locking knobs for better position locking. <p>Height of legs could be adjusted from 8.5 centimeters to 10 centimeters. <p>Universal slider plate with a 1/4 inch threaded hole to hold most DSLR cameras. (Even comes with a 1/4 inch to 3/8 inch screw) <p>Locking knob aside to lock down the slider plate. <p>Partly hollowed out for more scientific way to load. <p>Round rubber pad to avoid scratches to your camera's bottom. <p>A bubble level to indicate your slanting degree. <p>Comes with a convenient carrying bag, easy to carry, transport and store. <p><b>Specifications:</b> <p>Material: Aluminum Alloy <p>Length of Track: 23.6 inches/60 centimeters <p>Maximum Leg Height: 3.9 inches/10 centimeters <p>Minimum Leg Height: 3.3 inches/8.5 centimeters <p>Load Capacity: 17.5 pounds/8 kilograms <p><b>Package Contents:</b> <p>1 x Aluminum Alloy Track Slider Rail <p>1 x Carrying Bag