Safco Masterfile 2 high-density hanging file system for sheets to 24 x 36 MasterFile 2 High-Density Hanging File System for Sheets to 24 x 36, Autumn Haze High-density filing system allows quick and easy document storage and retrieval. Documents attach to self-adhesive, pre-punched carrier strips SAF-6552 (sold separately) which hang vertically from a system of pins and posts. Drawings hang straight, eliminating fingerprint smudges and dog-eared corners. Holds up to 1,600, 3-mil documents. Insulated double wall, steel construction provides excellent document protection. Autumn Haze.