These light guides from Mentor have a diameter of 3.2mm and a height of 11.5mm. The countersunk head allows the light guides to be mounted flush to the front panel. https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-02-19 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-06-27 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-07-16 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-08-26 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-10-07 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-10-28 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2025-11-18 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2026-05-01 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2026-05-22 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2026-07-07 https://elecena.pl/product/27881158/mentor-1282-1601-light-guide-push-casing-3-2-x-11-5mm 2026-08-23