Product Highlights Model Number 3710 1.【Compatibility】Designed for Sony Alpha 7R V / Alpha 7 IV / Alpha 7S III. The advanced kit can reduce burdens on arms when handheld shooting and increase stability. 2.【Multiple Accessory Mounting Points】The cage, top handle and side handle equipped with several 1/4"-20 threaded holes for Ball Heads Magic Arm 3873, cold shoes for microphone, LED video light, and several 3/8"-16 locating holes for ARRI for Mini Side Handle 2914. Also, the NATO rail can add versatility to the cage. 3.【New Streamlined Design】It is stable and anti-deflection because the cage locks the camera firmly via a locating pin, a 1/4"-20 screw at the bottom and a M2.5 screw at the left of the cage. The formfitting cage with a new streamlined design gives full access to buttons and ports. And the dedicated clamp for HDMI cable protects the interfaces to ensure stable signal transmission. 4.【Lightweight and Portable】Made of lighter carbon fiber, so more suitable for long time handheld shooting. The top handle grip is comfortable and convenient for handheld and low-angle shooting. The side handle, made of light carbon fiber and PU leather, makes for a pleasant and firm grip. 5.【Quick Release Plate for Arca-Swiss】The bottom of the cage features quick release plate for Arca-Swiss, so it enables quick switch between handheld, tripod and gimbal ( for DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro) shooting.   1 Year Warranty