Metal Loose Leaf Binding Rings are nickel plated steel snap rings. The lock snaps open easily to insert punched materials, yet locks securely once it is closed.
Prong fasteners are available as a complete two piece set. With a bright finish, heavy gauge tempered steel, its 8-1/2″ center to center and fits standard two-hole punched paper.
Aluminum screw posts, often referred to as Chicago Screw Posts, are a great choice for binding photo albums, swatch books, scripts, architectural blueprints, engineering drawings, or any application where loose sheets need to be kept together.