10.0mm solid core optical fiber sold in two spool lengths. All of our Sidelight Fiber Optics are completely flexible and feature a superb light transmission for bright and consistent illumination. The cable also emits light through the end of the cable. Minimum bend radius is 78mm. Core Diameter 10.0mm Overall diameter 13.0mm. Photo showing dimension has protective sheathing removed. Click to download a spec sheet.