Sealed, unused in its original packaging. The Monroe M33X Universal Ribbon Cartridges are Black/Red and designed for use with X model calculators. Made by Monroe in the United States, these ribbon cartridges feature dot matrix print technology for high-quality printing. This lot of 6 cartridges is compatible with Monroe brand calculators and offers reliable performance for all your printing needs. The black and red colors ensure clear and distinct printing results, making it a convenient and efficient choice for your office or home use.