a professional 7 " / 11 " articulating arm for LED light, LCD monitor or light on cameras This precise and designed arm with locking control knobs to release or enlarge the tension which can give all position movement This articulating arm simplifies the mounting, placement and adjusting any on-camera lightings and other accessories side has 1 / 4 " screw connecting to Monitor, LED light or other accessories Another side is hot shoe square mount that can be easily mounted onto your DSLR Camera And this hot shoe mount is removable to become another 1 / 4 " screw, so both end are 1 / 4 " screw that you can to different equipments Very Good for mounting monitor onto DSLR camera each joint is adjustable, and all of is locked with knob