| 4 ring / 8 cross over prongs |
| 55 mm spine |
| Covers and mechanism are riveted to spine for strength |
| Extra wide covers to take A4 size punched pockets and extra wide dividers |
| Holds up to 400 sheets |
| Moistiure and dirt resistant |
| Unique locking mechanism, easy to open, easy to turn and easy to add |
| User friendly grips make it simple to remove from even a full shelf |