An assortment of steel posts and screws from Hillman with a 1/4"-20 coarse thread fitting a 5/16" hole. These steel posts and screws are designed to securely hold layered materials in place. They are ideal for binding photo albums, swatch books, sample books, architectural/engineering drawings, menus, leather goods, and other materials. Included parts run 1/2" to 2" in length and have a high resistance to corrosion. Full assortments of #45984 contain six (6) refills comprised of Hillman item #'s 413729-413734.