Nor-Tec thermometer hygrometer holder

Simple ring/holder for Nor-Tec thermometer/hygrometer. Inner diameter: 67,50mm Made for: https://www.action.com/nl-nl/p/3206539/nor-tec-binnen-thermometer/ , available in EU. Attach ring with e.g. double sided tape, the thermometer/hygrometer is hold by force.