The Aven Tools 26800B-519 Single Arm Boom Stand with Heavy-Duty Metal Base is ideal for stationary video or microscopy applications. The boom stand allows users to position the microscope over large objects, while the heavy base provides excellent stability. The vertical post reaches 15 inches (384 mm) providing over 10 inches (264 mm) of working space underneath the objective lens, and all friction locking screws are capped with large knobs for easy and quick adjustments. The stand will accept bodies from the SSZ, SPZ, DSZ, and NSW series. Please note that for microscope or lens attachment, a tiltable arbor (model 26800B-521) or E-Arm focus mount (model 26800B-518) is required.