Elgin Factory Balance Staff for 20/0s Grade 905, 906, 907

Elgin Factory Balance Staff for 20/0s grade 905, 906, 907 movements and perhaps others as well, Elgin refill no. 905-264, new in envelope. See images for further details. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a marginally adequate job of representing the item.