This magenta toner cartridge is a compatible unit for use with OKI Data printers including the C301, C321, MC342DW, MC332DN, MC342DN, MC342DNW, C321DN, C301DN and MC342W. The cartridge is designed for laser printing using ink-prints and is of a high quality to ensure clear and vibrant prints. It comes as a single unit and is suitable for those looking for a reliable replacement toner cartridge. This product is ideal for those in need of toner cartridges for their home or office printing needs.