Screw posts are commonly used in bookbinding for making books where pages are to be interchanged. They are commonly used as a binding mechanism for loose pages in photo albums, sample books, menus, wine lists, and much more. Screw posts are also sometimes referred to as Chicago posts.
These particular screw posts are machined in England from solid brass, plated with a fine nickel finish, and are much more elegant and finely finished than their aluminum equivalents. Both the male and female sections have slotted flat ends to allow for tightening at either end.
All posts have a shaft of 5mm in diameter and a head diameter of 10mm.