The Moza Magic Arms is an 11.8\" articulating arm designed to let you attach a monitor on the side of Moza Air and AirCross handheld gimbals. Featuring a standard articulating arm design, it can also be used for mounting accessories on cameras, shoulder rigs, and other camera supports. The Magic Arms offers a 1/4\"-20 screw on each end and also includes a shoe mount that can be secured on one end. There's a knurled knob under each 1/4\"-20 screw for tightening/loosening the screw.