Camtree Hunt FS700 Cage Lightweight construction from CNC machined components. Top rods provided for optical center. Strong, Secure and waterproof. Black matte finishing. Lifetime quality assurance. CNC precision made aluminum construction. Designed to work with Sony FS-700 Camera. Completely compatible with 15mm system. Multiple slots for accessories mount. Threaded screw mounts of 1/4" & 3/8".