U cups for 3mm driveshaft seals

[biggsgolf]

Anybody have u cup seals that Bob references in his " How to build watertight seals for your RC submarine" video? Need the driveshaft seals.

https://youtu.be/sjuMFJOgMJU?si=pKflLcYHzo0EEa2_

[Subculture]

I think Bob’s source was for imperial size seals. If you want metric then Aliexpress or Norbert Bruggen sells them. E.g. https://tinyurl.com/4skmpk4c and https://tinyurl.com/3vwddc9z and https://www.modellubootshop.de/dichtungen/gummi/