The A4 binder spines with a diameter of 19 mm are a practical solution for organizing and presenting documents. These spiral binding spines are made of durable plastic and can hold up to 165 sheets of A4 paper. With a width of 19 mm, they are ideal for creating bound reports, presentations, or other documents that require a professional appearance. The green color adds an appealing and fresh touch to the bound materials. The packaging unit includes 100 pieces, making it a cost-effective choice for offices, schools, or personal use. Using these binder spines allows for easy handling and quick access to the contents, while the 21 rings ensure a reliable binding. These binder spines are an excellent choice for anyone who values a neat and attractive presentation of their documents.