BESTFIT stem for AS caliber 1240 - new in envelope

ONE BESTFIT stem for AS caliber 1240 movements, new in open envelope.  From the Bestfit 200 system for stems. Package originally contained 3 stems but only 1 remains. 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.