<https://kitcofiberoptics.com/product/fibersure-light-source-fols-0700-8500/>
<http://schema.org/description>
"This universal light source is a sturdy Mini Maglite® with a universal interface. It is perfect for providing a steady, strong light source at one end of a fiber optic cable for visual inspections of continuity. Two AA alkaline batteries are included. The light source comes standard with a universal 2.50mm adapter. Universal 1.25mm and 1.60mm adapters are also available."
<https://kitcofiberoptics.com/product/fibersure-light-source-fols-0700-8500/>