Also called a pin wrench. There’s a flexible Park Tool one which does the job. My bb is in ‘ok’ condition - I had to tighten it until it was a little bit notchy to remove all the play, so I think you might struggle to do it by hand.
@Jonny69 started
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Also called a pin wrench. There’s a flexible Park Tool one which does the job. My bb is in ‘ok’ condition - I had to tighten it until it was a little bit notchy to remove all the play, so I think you might struggle to do it by hand.