This spiral binding is made from durable plastic and provides a secure and reliable solution for binding your documents. With 21 rings and a 2:1 pitch, it allows you to create professional-looking bindings with ease. The 12mm size is ideal for various applications, while the black color adds a sleek and timeless touch.

• Made from durable plastic
• 21 rings with a 2:1 pitch for enhanced support
• 12mm size suitable for different types of documents
• Black color for a stylish appearance