BESTFIT stems (3) for Unitas caliber 233 - new in envelope

1/4 Dozen (3) BESTFIT stems for Unitas base caliber 233 movements and a mess of other Unitas calibers as well, new in unsealed envelope.  #793 from the Bestfit 200 system for stems. I specialize is hard to find watch parts so I usually have whatever you might need, all watch parts are unconditionally guaranteed and offers are welcome. Images do a suitable job of representing the item.