Features\n\n- Patented No.1 mechanism with outstanding locking force for consistently precise closing, guaranteed to close reliably even after 10,000 uses \n- Perfect alignment of pins and arches even when file is completely full \n- Spine pocket labels replaceable for easier personalisation \n- Cover lock, thumbhole and metal edges for easy handling and secure document storage \n- 350 A4 sheet capacity (80 gsm) \n- 3 years warranty on the mechanism, FSC certified