About this item High-Capacity Binding for Professional Use: Each YolieraArt double loop wire binding spine securely holds up to 120 sheets of standard A4 paper, ideal for thick reports, calendars, or notebooks. The metal inner wire structure ensures consistent tension to keep pages firmly aligned without shifting. With a 9/16 inches diameter and 0.8mm thickness, these spines balance flexibility and strength, supporting smooth 360-degree page rotation. Silky Page-Turning Experience with Nylon Coating: The nylon-coated surface of these 3:1 pitch twin loop wire binding spines ensures effortless page flipping for calendars, planners, or manuals. The coating minimizes friction, reducing stuttering during use while maintaining a lightweight feel. Unlike bulky alternatives, these small spiral binding spines stay unobtrusive, allowing comfortable writing without interference. Universal 3:1 Pitch Compatibility: Designed for seamless integration with 3:1 pitch wire binding machines, each spine features 34 double loops and 3 holes per inch for precise alignment. The standardized design works flawlessly with disengaging pin systems, ensuring quick setup for bulk projects. Use them for presentations, internal documents, or wire calendar hangers binding without adjustments.Compatible with 3:1 pitch binding machines, they simplify office or workshop projects. Organized Storage & Ready-to-Use Packaging Delivered in a sturdy 12-inch cardboard box, these 100PCS double loop wire binding spines arrive neatly sorted for immediate use. The compact storage prevents tangling and simplifies inventory management, making them ideal for print shops, offices, or frequent DIY projects.The reinforced construction of these binding coils ensures tangle-resistant performance, maintaining a neatly organized setup even during frequent handling or storage. Versatile Applications for Daily Efficiency: From binding corporate reports to crafting custom planners, these 3:1 pitch spiral binding coils handle diverse tasks. Their neutral design suits professional and creative uses—bind training manuals, financial records, or personalized calendars. The twin-loop construction resists bending, maintaining document integrity even with frequent handling.
