Complement your Star Micronics printer with our premium ink ribbons, featuring anti-lock mechanisms that ensure smooth, uninterrupted ribbon movement within the cartridge. Avoid the risks associated with other ink ribbons, which can lock up, damage your printer, and render the cartridge useless. This black and red ink ribbon cartridge is designed for use with the SP700 series impact printer and features a 1.5 million black character life with a 0.75 million red character life.