The Difference: Full, 3/4, Quarter and Half Leather Binding Types
Amazon.com : TRUBIND Chicago Screw and Post Sets - 3/4 inch Post Length - 3/16 inch Post Diameter - Aluminum Hardware Fasteners - 100 Screws with 100 Posts for Binding, Albums, Scrapbooks - (100 Sets/Bx) : Binder Screw Posts : Office Products
Chicago Screw Binding Posts 3/4 inch length.
Plastic Binding Combs 1/4″ to 3/4″ – 19 Ring – 11″ Long – Proven and Priceless Binding Elements - Delran Business Products