The clamp can be securely mounted on any tube, this clamp is supplied with wedge insert for clamping onto flat surfaces. The clamp holds most any lighting fixtures, cameras, lights, umbrellas, hooks, shelves, plate glass, cross bars, even other Clamps.
And they hold these items to just about everything like poles, posts, tripod legs, pipes, doors, stands, and beams - virtually any support you can get from these Clamps.
