The V4Ink 4 Pack Replacement for Brother TN450 024 Toner Cartridge is a set of four high-quality black toner cartridges designed specifically for Brother printers. These cartridges are compatible with model 024 and are manufactured by V4INK, a trusted brand in the industry. The cartridges have dimensions of 14.2 x 12.6 x 6.9 inches and weigh 5.5 pounds each. With a shipping weight of 5.9 pounds, this 4 pack toner set is an efficient and reliable choice for printing high-quality documents and images.