Screw Extension Aluminum, Hillman, #8-32 x 1/2 in

A binding post is used with a screw to secure multiple items through a hole. The screw threads into the binding post and each end has a head larger than the diameter of the post to contain the contents. Binding posts are ideal for use when binding photo albums, swatch books, sample books, architectural/engineering drawings, menus, leather goods and other materials.

• Have a high resistance to corrosion
• Fits 1/4 in pre-drilled holes