100 Pack Double Loop Wire Binding Spines, 1/4 inch Binding Wires, 3:1 Pitch 32-Loop for Letter Size, Holds up to 20 Sheets to Bind Reports and Projects

Durable metal Spiral-O wire binding combs designed for professional and everyday use. Perfect for binding reports, manuals, notebooks, and creative projects at home, school, or the office. Featuring an easy-to-use, secure design, these spines keep your documents neat, organized, and long-lasting. Ideal for students, professionals, and families, they make binding simple and efficient—ensuring your papers stay tidy and ready whenever you need them.

• ✅ Holds up to 20 Sheets：1/4-inch wire securely binds up to 20 sheets of A4 70g paper, ideal for small booklets, reports, and notebooks.

  ✅ 100-Pack Value Set：Includes 100 premium Spiral-O double loop wires neatly packed for convenient storage and daily use.

• ✅ 3:1 Pitch Compatible：Works with all standard 3:1 pitch wire binding machines for smooth, precise operation.

  ✅ A4 Length Precision：297mm long for a perfect A4 fit, ensuring neat alignment and professional results.

• ✅ Durable & Professional Design：Made of strong metal with a sleek black coating for long-lasting use and a professional appearance.

  
  

• Product Specifications 📝
  Model: 3:1 (3 loops per inch)
  Size: 1/4"
  Binding Capacity: 4.0mm – 20 Sheets
  Material & Color: Metal / Black
  Quantity Per Box: 100 Pcs

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  📦 What’s in the Box
  ✔ 100 × Black 1/4-Inch Spiral-O Wire Binding Combs
  ✔ Compact Storage Box for Organization