Rear Rod Adapter (CION, 15mm LW) attaches to the two 1/4-20 holes at the bottom rear of AJA CION camera to provide 15mm LW rear rod support. Great for holding a second set of rear rods without obstructing access to the integrated camera shoulder pad. Correct height for passing through 15mm LW rods from Fixed Base (CION) all the way to the back.