This used A08660 Fiber Optic Ring Illuminator by Schott-Fostec has a 1.25" inner ring, 37" cable length, 1" ring height and 0.625" ferrule. This Schott-Fostec A08660 Universal Ring Illuminator is in good condition. The light shows through the 360° ring of this Schott Fostec A08660 Universal Ring Illuminator and it appears one of the nylon screws is broken. Actual item shown. Sold as pictured.
Schott Fostec A08660 Universal Ring Illuminator, 32mm ID, 37in length