Wire-O 3/8" White 3:1 Pitch Twin-Loop Binding Spool (43,000 Loops)

Designed for use with automatic twin loop wire binding machines, each Wire-O Spool provides thousands of continuous loops for efficient, high-volume production. These spools have a consistent wire tension and finish to ensure smooth operation and reliable binding results.

• Professional Wire-O / Double Loop wire for sleek, durable bookbinding
• Books lay flat and pages rotate 360°
• Semi-secure binding (requires cutting to remove pages)
• We carry 3:1 and 2:1 pitch options
• Wide selection of colors for a polished, custom look
• Continuous spools ideal for automatic wire binding machines

Create professional-quality bound books with our Twin Loop Wire Binding Spools (also known as Wire-O or Double Loop Wire). These premium metal spines deliver an elegant, polished finish that enhances the look of presentations, reports, manuals, and more.

Engineered for durability and consistency, twin loop wire allows books to lay completely flat and rotate a full 360° for easy reading and writing. Once bound, pages remain semi-secure, requiring cutting to remove—ideal for long-lasting projects.

Specifications

• Color: White
• Size: 3/8"
• Pitch (holes per inch): 3:1 Wire
• Loops Per Spool: 43,000