Super Clamp with 1/4 to 3/8 Standard Metal Stud for Photography Studio Video Lighting Camera Crab Plier Clip Mount for Camera, DSLR Camera, LED Lights, Mic, Wireless Flash Receivers, Triggers

The super clamp has a maximum opening of [60MM/2.36IN] It is holds just about everything such as : cameras, lights, umbrellas, hooks, shelves, plate glass, cross bars, posts, tripod legs, pipes, doors and more, securely attaches to round and flat surfaces.