Amazon.com: Shuokecrafts 100Pack Metal Rivets for Leather Craft,Ring Binder Mechanism,Board Clip : Arts, Crafts & Sewing
Chicago Binding Screws Screws Nails Rivets Cross Head Button - Etsy
Business Source Standard View Round Ring Binder - 1" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 225 Sheet Capacity - 3 x Round Ring Fastener(s) - 2