Check the listing for details. Adjustable Microscope Boom Stand Heavy Duty Large Stereo Arm Table Stand Holder. Condition: New, Made in China. Listed at 78.59 USD. Description: 1. Need a Sturdy Boom Stand for reduced Vibration and Optimal Versatility? This stand provides what is needed! 2. This stand is with a counterweight on the opposite end of arm to counter the weight of your microscope head. This gives more stability compared with a common type of boom stand. 3. The multi-axis rotation feature allows this boom stand to locate your microscope head to most any position or angle. This can be a greatly needed tool when you have a hard-to-see location such as inspecting and searching for cracks on the solder of a circuit board. 4. We provide the boom stand only. This is not a complete system. A microscope head with optics is needed. You provide the head. 5. Easy Large-Sized Focusing Knobs on Both Sides of Focusing Holder.