Wire binding spine, double ring binding spine, 50 pieces of double ring binding books with 3.5MM 34 hole binding comb

• Generous Quantity: This set of double-wire binding spines comes with 50 double-ring binding spines, a generous quantity suitable for binding large quantities of documents. Whether you're binding bulk documents in the office or binding student assignments in school, these spines are easily accessible without the need for frequent purchases of binding materials. • Specific Specifications: The spine is 3.5mm thick and features 34 holes. The 34 holes accommodate a variety of common paper sizes, making it convenient for binding different types of documents. The 3.5mm thickness is ideal for binding thinner documents such as single-page collections and simple manuals. • High-Quality Material: Made of high-quality metal, it offers excellent toughness and elasticity, making it resistant to deformation or breakage. Even after repeated opening and closing, the binding maintains its integrity, ensuring that documents remain secure and protected for a long time. • Double-Ring Structure: The unique double-ring binding design provides stronger retention than single-ring binding, securing documents more securely. The double-ring structure also facilitates the insertion and removal of papers, making it easier to add, remove, or adjust document content. • Wide Applications: Suitable for a variety of scenarios, such as organizing office documents, binding study materials, and creating personal portfolios. It neatly binds scattered papers together for easy access, storage, and portability, improving efficiency and standardization of document management.