In order to prevent the car from falling off slide track and causing damage to photographic equipment, our product adopts the buckle design.The slide rail pipe is composed of three parts which can detachable. You can choose the length of slide rail according to your needs.It is made of aluminum alloy material and the camera slider is durable and reliable to use.The length of the product is 61cm, the width is 13cm.It is compatible for YELANGU L4X car and can be used indoors or outdoors. It is easy to carry and assemble.Item Name: SliderMaterial: Aluminum AlloyCompatible Products: for YELANGU L4X CarEffective Stroke: 62cmFeatures: Detachable, Easy to Assemble, Easy to CarrySize Details: 61cm x 13cm/24.02" x 5.12" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.The product is equipped with an adapter screw, which can be used for a photography trolley or other photography equipments.The four legs of the slide rail are equipped with adjusting nuts, which can be used to make the slide rail reach a balanced state.Both ends of the slide rail bracket and bottom connection plate are equipped with 1/4 inch and 3/8 inch threaded hole, which can be used for external connection equipment.Package Includes:1 x Camera Slider (Other Items Not Included)