Craftelier - Click Binding Spines 3:1 Pitch 6-Pack - Summer Tones - Easy Zip Binding and Reusable Trimmable Coils for Up to 85 Sheets -12 mm (0.47") Diameter - for A4 to A7 and US Letter Sizes

EDIT-FRIENDLY COILS: Our spines allow effortless opening and closing for quick edits without the need for a binding machine, ideal for dynamic business reports, school assignments, scrapbooking projects and more UNIVERSAL COMPATIBILITY: Designed for A4, A5, A6, A7, 11", 8.5", and 8" paper sizes documents, wroking with our Craftelier manual binding machine and most comb binding machines of 30 holes with 3:1 pitch, i.e. three perforations per inch CUSTOMIZABLE LENGTH FOR FLEXIBLE DOCUMENT PREP: 11" (28 cm) spines can be easily trimmed to fit various paper sizes or personalized layouts, perfect for creating tailored presentations, portfolios, or reports VIBRANT COLOR-CODED COILS FOR EASY ORGANIZATION: Includes eye-catching yellow, blue, and dark blue plastic spiral coils, perfect for sorting documents by category, project, or priority with style and clarity MEDIUM-CAPACITY BINDING FOR EVERYDAY PROJECTS: Securely holds up to 85 sheets, ideal for organizing reports, handbooks, training manuals, and more with professional-looking results