The KST550 B40 Arch Lever File is a durable, slim-capacity office filing folder designed for organized document storage and archiving. Featuring a 40mm spine, it offers a compact alternative to standard bulk files, making it ideal for medium-sized reports, monthly financial records, or project-specific documentation.
| Specification | Details |
| Model Code | KST550 B40 |
| Paper Size Format | A4 / Foolscap compatible |
| Spine Width | 40 mm (Slim Profile) |
| Storage Capacity | Approx. 250 – 300 sheets (80gsm paper) |
| Cover Material | High-density recycled board with Polypropylene (PP) lamination |
| Mechanism | Standard 2-ring metal lever arch with locking compressor bar |
| Spine Features | Clear PVC label pocket with removable spine card |
| Shelf Retrieval | Metal-reinforced thumb hole (finger ring) |
| Base Protection | Metal edge shoes/runners to prevent wear on shelf edges |
| Rado Rings | Dual cover slot locks for file closure stability |