About the product
- Compact Capacity: Bind up to 40 sheets of 80g/20lb paper, ideal for smaller documents and light-duty projects.
- Versatile: Compatible with U.S. letter size paper (8.5\"x11\") or ISO standard A4 size paper (8.3\"x11.7\"). Length: About 12\" (48 Loops). The length can be easily adjusted to fit your needs using RAYSON coil crimper pliers
- Durable Construction: Crafted from sturdy plastic, these coils are designed for long-lasting use. Great Value: Each pack includes 100 black coils, offering an affordable solution for bulk binding needs
- 4:1 Coil binding ring means per inch has 4 holes (This is very important distinguish 3:1 from 4:1 cause the things to be as different. 3:1 means per inch has 3 holes. They are used with different binding machine.)
- Designed for 4:1 pitch coil binding machines, these spiral binding coils are ideal for reports, presentations, and office projects. A practical and thoughtful gift for professionals, educators, and students alike
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