Binditek 24 Pack Double Loop Wire Binding Spines, 1-1/4 Inch Binding Wire for Letter Size, 2:1 Pitch, 250 Sheet Capacity, 21-Loop, Black, for Students and Coworkers

140 SHEET CAPACITY: The twin loop binding wire is 5/8" in diameter and has a thickness of 1.1mm, allowing it to securely hold up to 140 sheets of standard 20# paper. Attention: The values provided above are based on testing with #20 paper. If you use paper of other thickness, please adjust accordingly!
2:1 PITCH: These double loop wire binding spines have 2 holes per inch. They are compatible with wire binding machines that have a 2:1 pitch or machines equipped with disengaging pins.
5 Colors For Efficient Color Coding: There are 50 binding wires in the package, each available in 5 colors: gold, silver, rose gold, white, black, with 10 pieces of each color. Use color-coding to binding various types of files for quick and easy identification.
11 INCHES: These 21-loop double loop binding wires are designed for use with letter-sized paper. If needed, you can also use them for smaller projects by trimming the excess length. These binding wires are crafted from metal materials and feature a double-loop style that provides security. They are stable and well-suited for your long-term binding needs.
WIDE USE: Double loop binding wires can help you gather and organize your files neatly, preventing them from getting scattered and creating a mess. They are an ideal choice for presentations, meetings, or office use. They serve as amazing gifts suitable for teachers, students, and coworkers.

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