The product is a set of three genuine Konica Minolta TN612K black toner cartridges, specifically designed for the Bizhub PRO C5501 and C6501 printers. Made in Japan, these original cartridges are compatible with Konica Minolta printers and utilize laser print technology for high-quality results. The cartridges come in a unit quantity of three, ensuring that you have an ample supply for your printing needs. With the trusted Konica brand name and genuine quality, these toner cartridges are a reliable choice for professional printing.