This replacement toner cartridge set is designed for use with Konica Minolta printers and includes cyan, yellow, and magenta colors. It is compatible with the TN324 model and is a high-quality, compatible product. The cartridges are easy to install and provide exceptional print quality. Perfect for those who need to replace their Konica Minolta toner cartridges but don't want to pay the high price for an OEM product. This set is a great value and a reliable choice for your printing needs.