Spool Inner Diameter Reducer

A simple reducer ring to put into spools. I use the ring for Desiccant Container from StawAr:https://makerworld.com/en/models/1377406-desiccant-container-sunlu-third-gen-reusable-spool#profileId-1425133 Diameter of the hole in the spool is min-73,5mm max- 77,5mm.Inner diameter is 54,5mm.