SmallRig "Rhinoceros" Cage Kit for Sony Alpha 7R V / Alpha 7 IV / Alpha 7S III 4308 1. Formfitting cage with a new streamlined design gives full access to buttons and ports. 2. Anti-twist three-point locking design. 3. Dedicated HDMI cable clamp protects the interfaces to ensure stable signal transmission. 4. Multiple accessory mounting points: 1/4"-20 threaded holes, ARRI 3/8"-16 locating holes, cold shoe mount, NATO rail, QD socket for attaching the handle, microphone, LED video light, monitor, etc. 5. Arca-Swiss quick-release plate for Arca-Swiss tripods and DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro gimbals.