CATIGA IR-40T Ink Roller Cartridge for Printing Calculators and Adding Machines

Pack of 2 with Black and Red Inks Compatible with Casio: HR-100TM, HR-150TM, HR-170RC Sharp: EL-1750V, EL-1801V CATIGA: CP30A, CP90A More models are listed in the 2nd image COMPATIBILITY: These ink cartridges are the industry standard and compatible with almost all standard printing calculators and adding machines; specific models are included in the photos RED & BLACK INK: Comes in two colors: black for addition and red for subtraction HIGH QUALITY: The cartridges are high quality and long-lasting EASY TO READ: Ink resists fading and makes your prints look sharp and vibrant QUICK INSTALLATION: Takes less than 30 seconds to install; refer to your machine’s instruction manual for further instructions