Gherkin Of The Week #8Gherkin with perforated aluminum bottom. Same bottom as this one. I had a lot of the same keys in one of my grab bags. They must have made way too many number row keys. They don't look defective at all.
If you Google 0909090909 you actually get quite a few hits.
SA Row 3 profile. These are grab bag keys from the 1976 keyset.
These M2 spacers were really cheap. Something like 500 for $6. They are very poor quality. Some have bad or missing threads. They are really meant to be press fit into plastic holes, where the inconsistencies of length would not matter.
5052 aluminum plate with punched and drilled holes.