The Really Right Stuff 630mm / 24.8? Multi-Purpose Cinema Rail is a professional camera support rail designed to provide a versatile and rigid mounting platform for cinema and still-photo gear. Constructed from extruded 6061-T6 aluminum, it features a double dovetail profile that is compatible with all RRS quick-release dovetail clamps, allowing cameras, monitors, and accessories to slide and lock securely along its length. The rail includes multiple 1/4?-20 and 3/8?-16 threaded holes spaced 15mm apart on the top and bottom surfaces, plus additional 1/4?-20 threaded holes spaced 9mm apart along the sides for flexible accessory attachment, and laser-engraved markings at 5mm intervals make it easy to repeat setups. Measuring approximately 24.8? (630mm) long by 1.5? wide by 0.9? thick, it’s a robust and adaptable component for customizing rig configurations in professional film and photography workflows. Really Right Stuff 630mm / 24.8" Multi-Purpose Cinema Rail RRS-9000510