![OKI Ribbon Cassette Black [for ML5721/5791] - OKI44173406](https://images2.productserve.com/?w=200&h=200&bg=white&trim=5&t=letterbox&url=ssl%3Ad1yfjw4ro643jd.cloudfront.net%2F10_2023%2F6e22b008-ad9a-4a82-adf9-2e96330d97da.jpg&feedId=2346&k=3a81847ca583ed5eb3a2be86302390b1182fb1d8)
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Colour: Black. Prints up to 13 million characters. Replacement ink ribbon for OKI Microline printers. Compatible with ML5721 and ML5791. Manufactured from quality nylon for reliable performance. Genuine OKI product: unparalleled reliability.