This set includes five compatible Brother TN770 black toner cartridges, each with a super high yield of up to 4,500 pages. Designed for reliable performance with Brother printers, these cartridges provide a cost-effective solution for your printing needs. Each cartridge is tested to ensure consistent quality output, making it an excellent choice for both home and office use. Backed by a 100% satisfaction guarantee, this bundle helps you stay fully stocked while saving money.