The SmallRig Magic Arm Support Kit (5.5-inch) is equipped with 1/4""-20 screws on both ends. One end connects to monitors, while the other end attaches to accessories with 1/4""-20 threaded holes, such as cages, NATO rails (ID 1973 / 1885), 15mm rods (ID 1182), and single rod clamps (ID 1976). The monitor end features protective pads to prevent scratching and ensure a secure connection. The locking knob is ergonomically designed for ease of use, enabling smooth adjustment to any angle by loosening the knob.