1. Mechanic M2 / M3 microscope folding arm support, 360° rotation front and rear rolling, telescopic placement operation 2. Microscope swing arm, infinite extension - free swing compatible with 99% microscope accessories 3. Lightweight, stable, and outstanding, the microscope swings left and right, and the swing arm of the microscope adopts the principle of a physical lever, which is super load-bearing and more stable and convenient to operate 4. 360 rotation adjustment, mastering all angles of view, using precision steel cylindrical bearings, and running smoothly without stuttering to meet your needs for a free perspective 5. Minimal hollowed-out design, any stacking, and expansion, as long as you need, can extend the swing arm of the microscope infinitely 6. Precision thickened space aluminum, stable, sturdy, and durable over time, not easily oxidized or rusted, as new after use, smooth and easy to clean