ST19051101 microscope Boom Stand

ST19051101 microscope Boom Stand diameter 76mm Scope Holder. Vertical Post Height: 390mm. Vertical Post Dia.: diameter 32mm. Horizontal Arm Length: 410mm. Horizontal Dia.: diameter 32mm. Mounting Hole on the End of Horizontal Arm: diameter 32mm. Base Dimensions: 230x230x40mm. Focus Distance: 50mm. Arbor Length: 150mm. Arbor Diameter: diameter 32mm. Post Hole Diameter of Focusing Rack: diameter 32mm.