Mount a 19mm rod-mounted accessory onto your rig with this Universal 19mm Rod Clamp from Wooden Camera. This compact clamp features a single 19mm rod port and on the other side is a 3/8"-16 mounting screw with removable anti-twist locating pins. The rod clamp is secured using a large locking thumbscrew. It can mount onto your camera cage or rig to mount a follow focus motor, flag, or other accessory.