The product is a lot of 6 new genuine OKI Microline 400 series ribbon cartridges, specifically designed for use with OKI printers in the 400 series. These black ink ribbons are compatible with OKI Data printers and are suitable for dot matrix print technology. Each ribbon cartridge provided a long-lasting and reliable printing performance. Ideal for those who require high-quality printing supplies for their OKI printers, these ribbon cartridges are a cost-effective solution for producing crisp and clear document