Flexible and Adaptable, Support stably. Supports up to 1.2 m in diameter, freely adjustable according to load capacity and studio space. Fixed-point braking, Move at will 2.5' casters with brakes, excellent brakin Upgrading and switching, Up to you. Buy a desk mount kit and replace the main pole to realize the switching of the three systems, and realize the maximum function with the minimum budget You can also buy a number of folding arms to cover the three systems.