GBC Zip Comb Binding Spines, 5/16 Inch, Black, 50 Spines (15005)

For over 60 years, the GBC brand has been a world leader in products that help consumers protect, secure, organize and enhance their printed materials. Convenient Zip Comb spines allow you to easily edit bound documents without a machine. Spine simply opens with a pen or using our handy Zip tool. Next make your changes and then snap spine close. Zip Comb spines work on any CombBind punched paper (19 holes). Upgrade your CombBind documents easily with Zip Comb spines for better functionality and more professional appearance.