Do you need 5/16'' spines for half-size books, booklets or landscape binding? We're here to help you find the perfect product for your needs with this selection of GBC ProClick Spines. Easy to use and practical, the spines will allow for adding and removing of pages by using the included zip tool. Select the color and design you need from black, white, navy, and frost, and between portrait or landscape binding. Order them in packs of 10, 25, or 100 – they are all available at the amazing prices you can trust to find on MyBinding!