Watchmaker's Boley assorted lathe collets twenty one in total with box

I got it these item from house clearance, I don't have much information about it. You will get what you see in the photos.

There is total 21 pcs and they do need some cleaning because there are some rust on them. it comes with wooden box but lid has no hinge. Please see pictures more details Any question Please feel free to ask before purchase the item.