Ea.
This is a set of two reproduction German WWII binocular replacement eye pieces. They are fully threaded and will fit on general issue German WWII binoculars. They are made of a hard plastic resin that will hold up well. Many of the original binocular you find today will have these eye pieces missing so this is your chance to replace them. It is only $3.00 to ship this item anywhere in the US, Canada, Australia, NZ and most of Asia. Postage within the EU is $2.00.