For use with RED PRO Matte Box (not included), the Matte Box Cage & Side Flags Kit includes everything you need to mount side flags to your RED PRO Matte Box. Optional top and bottom flags (aluminum or carbon fiber) may be purchased and used with the cage and matte box.
* RED PRO Matte Box Cage
* 2x RED PRO Matte Box Side Flags (aluminum flag with carbon fiber extensions)
For more information and instructions, you may refer to the Matte Box Cage and Side Flags Assembly Instructions.