Sheet Capacity: These double loop wire binding spines can hold up to 140 sheets of paper(20lb,80gsm).
High Quality: The binding wires are made from high-quality wire that are sturdy and allow you to compile paper sheets with ease and store for a long time.
Perfect Size: Each wire binding spine measures 5/8 inch in diameter and 0.8mm in thickness. Each spine has a 2:1 pitch and 21 double loops; 360-degree rotation.
Binding wire: Use these double loop wire binding spines to bind important documents, files, or reports for an upcoming presentation or project.
Compatible with most wire-binding systems (2:1 pitch and 21-hole pattern)