➤[360° FLEXIBLE ADJUSTMENT]Lab focusing holder is supports 360-degree rotation and frees horizontal/vertical adjustment, allowing flexible tuning of focal length and observation angle. No need to reposition the entire unit, greatly improving work efficiency in research, experiments and lab tasks. ➤[MICROSCOPE BOOM STAND]Stereo microscope table stand is features a solid steel rectangular base and counterweight boom arm, balancing the microscope head to avoid wobbling, instability or accidental tipping. Robust steel frame ensures long-term reliable use for various observation needs. ➤[EASY FOCUS CONTROL]Microscope table stand with large, easy-to-operate focusing knobs on both sides of the focusing holder. Fits standard microscope heads with a 76mm (7.6cm) inner diameter, enabling smooth and precise focusing for clear observations. ➤[QUICK ASSEMBLY & MAINTENANCE]360° rotation 76mm focusing holder bracket is simple structure allows fast assembly without complicated tools. Smooth surfaces can be effortlessly cleaned with just a wipe, saving time and effort on daily maintenance and upkeep. ➤[WIDE COMPATIBILITY]360° rotating stereo microscope boom stand with most binocular and trinocular microscopes. Ideal for scientific research, educational labs, industrial workshops, repair shops and group research, meeting diverse professional needs.