🧮 Keep your calculations sharp and stylish! Quickly replace rollers without hassle. Experience crisp, clear prints every time. Save money with a 6-pack bundle. Seamlessly fits various calculator models. Designed for the demanding professional. Compatible with many brands Vibrant black & red ink 6-pack convenience This 6-pack of Calculator Ink Rollers (IR-40T / Canon CP13 / NU-KOTE NR42) is designed for a wide range of calculators, including popular models from Sharp, Victor, Adler-Royal, Canon, Casio, Aurora, Citizen, Olivetti, and Texas Instruments. With vibrant black and red ink, these rollers ensure your calculations are always clear and professional.