Fibre Optic Cable - 0.25 / 0.5 / 0.75 / 1 / 1.5 / 2 / 2.5 /3mm Dia - Light Guide. 0.75mm (Wire Reinforced) 1 fibre in clear PVC. 2m Fibre Optic - Light Guide - 1.0mm dia - hobby model boat train doll house.
eBay