BESTFIT Mainspring for Ebosa ALARM for alarm clock T210-3

Bestfit System #77 Mainspring for Ebosa Alarm Clock, No. T210-3, Regular Tongue end, steel, new in envelope. See images for precise mainspring specifications. My information say this is the ALARM side mainspring. I find these very infrequently so grab them when you can. I specialize in hard to find watch & clock parts and all parts are unconditionally guaranteed. Images do a pretty good job of representing the item