I have a Bodygroom TT2020 that begins to be an old reference, and for which there is no longer the historical reference blade but it fits perfectly. its design has changed slightly with rounded plastic corners but it does not hinder its use with the 2020.
the blade attachment problem on the mower persists and you will tend to lose several times by using it, which is very annoying. but it is possible that this problem has been resolved on later generations Bodygroom.
In summary, this blade reference corresponds to 2020 and is faithful to the previous generation quality.
great price on amazon and very fast shipping!