Feature(may vary by option.)

●Focus gear for coarse focus and tension
●Stand post (arbor) opening diameter: 1-1/4" (25mm)
●Circular ring that holds the microscope head: 3" (76mm)
●Perfect microscope accessory, exquisite workmanship, widely used in microscope. Durable and stable
●If you have any questions, please feel free to contact us. We will support you 24/7. Have a nice day!

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Description

Brand new focus rack with ball bearings
Focus Gear for Coarse Focus and Tension Adjustment
Ring Diameter: 3" (76mm)
Stand Post (Arbor) Opening Diameter: 1-1/4" (25mm)

Package included: 1 set According to your choice.
Note:
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.