Replacement ink ribbon for OKI Microline printers. Manufactured from quality nylon for reliable performance. Ribbon shield to minimise paper jams. Compatible with ML5721 and ML5791. Prints up to 13 million characters.Compatible Printers: OKI Microline 5721 eco, OKI ML 5721 eco, OKI ML 5791 eco, OKI Microline 5791 eco
