8Sinn Shoulder Support + 8Sinn 15mm Rod Mount Bridge Key Features   Shoulder Support: – Aluminum made – Lightweight – 3 x 3/8″ Arri locating points – Knurled rear surface – Slender profile – 1/4″-20 x1/2″(12mm) mounting screws   Rod Mount Bridge: – 15mm rod compatible – 6 x 1/4″ threaded mounting points – Aluminum made – 60mm center-to-center distance – Thumb screw on each side   8Sinn Shoulder Support has been designed to make your shoulder rig complete. It is adapted to have two types of mounting solutions. The first type attaches the Shoulder Support directly to the 8Sinn Base Plate by three screws. The second type requires the mounting adapter which is the 8Sinn 15mm Rod Mount Bridge presented on this page. The bridge allows using the 8Sinn Shoulder Support in any rig with 15mm rods. Dimensions Length: 190mm Height: 91mm Width: 82mm (107mm w/ thumbscrews) Weight: 282g Set includes: 8Sinn Shoulder Support 8Sinn 15mm Rod Mount Bridge