1、Made of sturdy and durable aluminum alloy, suitable for long time use 2、Detachable quick release plate with 1/4in screw, can install the camera easily 3、The quick release plate can be up and down adjusted. 4、With 1/4in screw hole in the bottom for connecting to tripod with standard 1/4in screw 5、Adopts two standard 15mm rods, can be connected with matte box, follow focus and other video accessories. (Not included) Features: 1. Made of sturdy and durable aluminum alloy, suitable for long time use. 2. Detachable quick release plate with 1/4in screw, can install the camera easily. 3. The quick release plate can be up and down adjusted. 4. With 1/4in screw hole in the bottom for connecting to tripod with standard 1/4in screw. 5. Adopts two standard 15mm rods, can be connected with matte box, follow focus and other video accessories. (Not included) Specification: Material: Aluminum Alloy Track Length: Approx. 25cm / 9.8in Track Width: Approx. 7.5cm / 3in Tube Diameter: Approx. 15mm / 0.6in Item Weight: 393g / 13.9oz Package Size: 27.5 * 11.5 * 9.5cm / 10.8 * 4.5 * 3.7in Package Weight: 527g / 1.2lb Note: The camera and tripod showed in the picture are not included. Package List: 1 * Rail Rod Support System