Upgrade your documents with these Wire-O binding spines, also known as double loop wire binding spines and twin loop binding wires, designed for a polished, professional finish that lasts. Each wire features a 3:1 pitch with 32 loops and measures approximately 11 inches, perfect for letter-size binding projects.
With a binding capacity of up to 40 sheets of 20 lb paper, these heavy-duty metal binding spines are ideal for reports, presentations, manuals, calendars, and notebooks. Adjustable margin settings help you customize capacity—2.5 mm margins bind up to 40 sheets, while 3.5 mm margins hold up to 30 sheets.
The durable twin-loop design ensures secure, permanent binding while allowing pages to turn smoothly and lay flat. For smaller projects, the wires can be easily trimmed to size with standard wire cutters or scissors.
This 100-pack of golden wire binding rings is compatible with most 3:1 pitch wire binding machines, making it a versatile choice for offices, schools, and creative studios. Whether you need wire binding combs for professional documents or Wire-O binding supplies for custom projects, these binding wires deliver reliable performance and exceptional value.
Bring a new level of quality and style to your bookbinding with these professional wire binding spines, trusted by businesses and creators who demand the best.