SmallRig Master Kit for Sony Alpha 7S III A7S III A7S3 3009 includes an aluminum full cage, an HDMI cable clamp, a thin NATO rail and a quick release NATO top handle. The camera cage features numerous 1/4"-20 and 3/8"-16 mounting threads, a NATO rail, a cold shoe mount and ARRI-style mounts for accessories. The HDMI clamp attaches to the side of the cage using a 1/4"-20 screw and two anti-twist pins, which prevents the camera's HDMI cable from accidentally disconnecting. The NATO rail attaches to the top of the cage using two 1/4"-20 screws, and the top handle quickly mounts on the rail, providing a comfortable hand-holding point. .