GBC ProClick Pronto Binding Spine Cassettes 58 Navy 100 Pack - Binding Spines

Choose the reliability and ease of a ProClick binding. Dependable navy binding allows you to open and edit the contents without use of a machine. Pre-loaded cassettes of 20 spines each. Handy cassettes are designed for frequent binding. High capacity cassettes are ideal for use in busy print shops and corporate offices. Each 5/8" diameter spine securely binds up to 110 sheets" Enjoy the flexibility of proprietary ProClick technology. The sturdy binding spine simply zips open and closed. Use your finger or a pen to open it - no need for a machine.