The technical details behind this kit Increase handheld stability while being able to add several mounting options with the SmallRig Advanced Kit for Sony Alpha 7 IV/Alpha 7S III. This kit features a cage that adds camera protection and mounting options, such as 1/4"-20 threaded holes, ARRI 3/8" -16 locating holes, cold shoes and NATO rails. Its cage has also magnetic flat-head screwdriver for easy assembly and disassembly. This kit has also a cable clamp, a top handle, and a side handle, allowing you to shoot comfortably.