Based on this product's specifications, here are some alternatives and similar models
Wire Binding Machine Fellowes Galaxy (model 5622401) — wire binding supplies
Summary description:
Fellowes Galaxy Wire (5622401) is a wire binding solution compatible with Fellowes Galaxy machines and wire-binding workflows. Supplied as wire spines intended for securing punched documents, it supports creating durable, professional-looking bound documents for offices, schools and print shops. Use for reports, manuals, presentations and proposals where a secure, lay-flat binding is needed.