It could attach monitor or video light on the other end, while clamps the accessories with diameter less than 40mm, like DJI stabilizer, Freefly stabilizer, video C-stand etc. <br> It features a wingnut in the middle to adjust the angles and positions of monitor or video light or other accessories. <br><br> Compatibility: Universal<br> Material(s): Aluminum Alloy<br> Product Dimensions: 119x86x20 mm <br> Net Weight: 163 g<br> Package Size: 120x100x40 mm<br> Package Includes: <br> 1 x Universal Magic Arm with Small Ballhead 2157<br>1 x Super Clamp 735<br>