This comes with two rails - 0.5 metre and 1 metre. As well as an ishoot tripod head and a manfrotto carry bag The GT Glide Track Professional Broadcast/DSLR Camera Tripod Slider Rail System by Glidetrack is a high-quality aluminium tripod slider designed for professional camera setups. It features a screw thread mechanism for secure attachment of cameras, offering 360-degree rotation capabilities for smooth and precise camera movements. Perfect for use with a variety of cameras, this system provides stability and versatility for professional photographers and videographers looking to capture smooth and dynamic shots with ease.