The Apli 38mm metal hinged binding ring (reference 454) in a blister pack of 20 units is the indispensable accessory for grouping documents, fabric samples, study cards, or creating handmade albums in a practical and flexible way. Made of high-resistance silver-plated metal with a firm snap closure, these rings open and close easily without deforming, allowing you to add or remove sheets in seconds. With a diameter of 38 mm, they offer excellent retention capacity for office projects, craft workshops, and school organization.