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.