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Thursday 22 March 2018 at 22:25
If you come up with one feel free to add it here:
https://pinside.com/pinball/forum/topic/pinside-rubber-ring-database-by-themetitle
Source: http://pinside.com/pinball/forum/topic/anyone-have-a-radical-rubber-ring-size-list-handy#post-4295007