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Microscope ballbearing stand
This Ballbearing Stand is brand new in the box, never been used.
Ball Bearing Stand (Double Bar Boom Stand) Base dimension: 385x260x25mm Vertical Post: OD. 37mm, main post 380mm, a 225mm extension post is included A Lock Ring on vertical post for stopping. Horizontal Post: Smooth ball bearing movement, OD. 20mm for each shaft, Long 570mm(end to end), travel distance from vertical post to the end of horizontal post: 15.5-37mm. End of horizontal post has a 5/8'' hole that will fit Universal or Arbor arm