This cage kit is designed for Sony Alpha 7R V, Alpha 7 IV, and Alpha 7S III, facilitating low-angle shooting, protecting the camera body, and offering a range of accessory mounts. The kit includes a cage, a cable clamp for HDMI , a NATO rail and a top handle. This quick release plate kit 4500 consisted of a QR cold shoe adapter and a QR cold shoe baseplate, just press one button to slide the cold shoe mount into the groove from both direction, and lock it by releasing the button. The cold shoe mount is standard size, also compatible with previous cold shoe accessories.