Microscope Ring Light Fiber Optic 3-1/2" OD 2-3/8" ID 46" Length

Microscope Ring Light Fiber Optic 3-1/2" OD 2-3/8" ID 46" Length.

3-1/2" outer diameter, 2-3/8" inner diameter ring light. Has one set screw on ring. Used, in good condition. See photos.