Master Lock 5440ENT Bluetooth® Portable Lock Box for Business Applications lc-tmlc-importer-2026 Shackle guard protects against bolt

Shackle guard protects against bolt cutters and hacksaws

2-1/4in (57mm) wide die cast body for strength and durability

Lock box holds hundreds of keys and includes organized storage for 12 keys in back of box

Fits more lockout points than alternative rivet-hinge labeled lockout hasps

Master Lock 5440ENT Bluetooth® Portable Lock Box for Business Applications lc-tmlc-importer-2026 Shackle guard protects against boltThe Master Lock No. 5440ENT Bluetooth Portable Lock Box features a 3 1 4" (83mm) wide metal body for durability and a fully removable shackle for convenience. The Master Lock Vault Enterprise system is designed to support many locks and many users with unmatched security, simplicity and accountability. Administrators control individual or system wide lock access with our convenient web interface, while users enjoy simple, secure access to assigned