The metal binding spiral is the ideal solution for properly organizing and binding your documents. With a length of 30 centimeters, it provides the right support for your book or folder. Thanks to the 3/8" diameter and 3:1 ratio, it ensures the stability and durability you need.

• Specifically designed for binding.
• Metal construction for increased durability.
• Length 30 cm, suitable for multiple applications.
• Diameter 3/8", ideal for a wide range of documents.
• Ratio 3:1, providing secure screw fastening.