The FELLOWES 5255601 Black Wire Spines are designed for organizations requiring a reliable binding solution for documents. This product consists of 20 packs, each containing 25 individual wire spines, totaling 500 spines. With a 9/16" diameter, these black wire spines are suitable for binding reports, presentations, and internal documents, providing a secure and professional finish. They address the need for durable document assembly in office environments, ensuring pages remain intact for frequent handling and archiving. This offering is aimed at businesses and IT departments managing their own document production, seeking a consistent supply of binding consumables. The part number for this specific item is 5255601.