This Pro Kit provides protective armor for the Sony a7 Iv, a1, S3, R4, 73, R3, A9 and includes many relevant accessories to greatly improve the camera's functionality. The Full Cage features several 3/8"-16 and 1/4"-20 threads with locating pins, cold shoe receivers, and a Nato Rail for Type Iv and Vi Side Handles. It also features an Arri Compatible Rosette Connection as well as Rod Attachment Ports for our optional Single Rod Holders.The top of the cage is specifically designed for our Tiltaing Compact Nato Top Handle for more flexible operating and handling. The top handle includes one cold shoe receiver which can be used to mount an external monitor via our Cold Shoe Accessory Mounting Bracket. The Bottom Plate provides 1/4"-20 threads for attaching your camera to various quick release plates and also connects to the included 15mm baseplate.