These both appear to be more-or-less the Jacobs 'KG1' type. The 'L'-handled one at the left has a couple of chipped teeth.
Chuck key specifications/part-numbering is one of those areas of workshop arcana that no one seems to have a good handle on. What information there is is sketchy at best.
Anyway, with these two spare keys added to my stuff, I'll dedicate a drawer of a small parts cabinet to chuck keys.
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