Even after over 50 years on the market, the binding system for plastic bindings is still regarded as one of the best methods for binding documents. The flexible and cost-effective system meets the needs of most users, from students to professionals in large companies.

• Gives bound documents a professional appearance.
• Durable plastic binder spines with premium quality.
• The most popular, economical, and flexible binding method.
• 16 mm binder spines suitable for 101 to 120 pages.
• 21 rings, black, round.
• Pack size: 25 pieces.
• Compatible with any plastic binding machine with 21 rings for binding up to 120 sheets.