QWORK® 200 Pack Multi Sizes Plastic Binding Combs in 4 6mm, 8mm, 10mm, 12mm 21 Ring A4 Comb Spines Reusable & Durable with Varying Capacities

Variety of Sizes: Includes 6mm, 8mm, 10mm, and 12mm combs for different sheet capacities (20/40/60/80 sheets). Reopen & Reuse: Easily reopen to add or remove pages, making it ideal for project updates. Durable Material: Made from sturdy plastic that resists chipping, scratching, peeling, and discoloration. Precut for Convenience: Designed for A4 documents but can be adjusted for smaller projects. Perfect Compatibility: Works seamlessly with any standard 21-loop plastic comb binding machine.