SmallRig Advanced Cage Kit for Sony Alpha 7R V / Alpha 7 IV / Alpha 7S IIISmallRig Advanced Cage Kit for Sony Alpha 7R V Alpha 7 IV Alpha 7S III 3669C is designed to reduce arm load and increase stability during handheld shooting, while offering a wide range accessory mounts. It includes a cage, a HDMI cable clamp, a top handle and a side handle. The top handle feels comfortable and enables easy carrying and at low angle shot. The side grip features a silicone insert for better grip and more stable two handed shooting. 1 4"