Enhance your document organization with this high-quality Double Coil Binding Spine, designed to securely hold up to 20 sheets of 70g A4 paper. Crafted from durable iron wire with a protective nylon coating, this binding spine offers exceptional strength, wear resistance, and a sleek glossy finish that resists corrosion and abrasion, ensuring long-lasting performance for all your binding needs. Key Features: · Durable Iron Inner Wire: Provides robust strength and stability, preventing damage and ensuring extended use without deformation. · Protective Nylon Coating: Offers a smooth, glossy surface that resists erosion and wear, maintaining a professional appearance over time. · Optimal Binding Size: Featuring a 6.4mm (1/4 inch) diameter with 34 double loops and a 3:1 pitch, allowing 360-degree rotation for easy page turning and flexible document handling. · Practical Sheet Capacity: Holds up to 20 sheets of standard 70g A4 paper, making it perfect for creating booklets, reports, notes, presentations, and other documents. · Versatile Application: Ideal for binding documents, manuals, notebooks, reports, and more, suitable for office, school, or home use. Specifications: · Material: Iron Wire with Nylon Coating · Binding Diameter: 6.4mm (1/4 inch) · Binding Capacity: Up to 20 Sheets (A4, 70g) · Teeth Number: 34 Teeth · Pitch Ratio: 3:1 Package Includes: · Double Coil Binding Spine (Quantity: 20 sheets capacity each) This Double Coil Binding Spine combines durability, practicality, and ease of use to provide a reliable solution for your document binding needs. Its sturdy construction and smooth finish deliver professional results, making it an essential accessory for efficient and organized paperwork.