It is versatile for HDV HDSLR film makers, especially for Follow focus users when taking photo or video, it can be used to mount LED light, flash or LCD Monitor on to your DSLR cage, HDSLR camera, rail rod (clamp) or shoulder mount rig. p> Description: A professional 11'' articulating arm perfect for LED light, LCD monitor or flash light etc. on cameras. agic arm is with locking control knobs to release or enlarge the tension which can give all position movement. de has 1/4" screw connecting to fit camera, lamp holder and other accessories. r side is hot shoe square mount that can be easily mounted onto your DSLR, and this hot shoe mount is removable to become another 1/4" screw, so both end are 14" screw that you can connect to different equipments. ith Hot shoe adapter, 1/4" screw male to female adapter. al: Aluminium alloy (Max): approx. 29cm/11" ment: 1/4" male or female screw. p>