Strengthen your punched holes with Herma Adhesive Reinforcement Rings, available in a pack of 500 pieces with a diameter of 12 millimeters! Are you looking for reinforcements to prevent your binder pages from tearing or ripping? These adhesive rings offer a simple yet effective solution. Whether you're organizing documents, assembling presentations, or creating scrapbooks, these rings provide additional support to punched holes, ensuring durability and longevity. Their adhesive backing allows for easy application, ensuring a secure hold. Say goodbye to weakened binder pages and hello to reinforced durability with Herma Adhesive Reinforcement Rings, your essential tool for preserving and protecting your documents!