Trà My F4-5cm Lever-Style File

Trà My F4-5cm lever file is a type of ring binder/cover with a lever mechanism designed to hold and store F4‑size documents (larger than A4) with a 5 cm spine, suitable for thick dossiers such as contracts, accounting books, long‑term archival records. It is a convenient office product widely used in agencies, schools and businesses.
5 cm spine. Holds about 250 sheets.