Kamerar 100cm Big Slider 3ft track Including Dolly skater camera DSLR FOR Canon 5D 6D 7D 60D 70D YES, SIZE DOES MATTER: Custom designed from the ground up, a unique rail system exclusively manufactured by Kamerar. STURDY AND LIGHTWEIGHT: With an overall length of 39" inches (36" of actual slide length) The BIG Slider weighs only 4.7lbs (2.1Kg). QUICK DEPLOYMENT: A single action with the Kamerar BIG Slider quickly deploys both legs in complete unison. VERTICAL AND HORIZONTAL: Supports Inverted Operation, Oil-filled Bearings. HIGH-GRADE ALUMINUM CONSTRUCTION: Lifetime Limited Hardware Warranty. For more information please check in http://kamerar.com/pages/about-us