09-302 Ink Roller Black & Red #IR-40T

09-302 Ink Roller Black & Red #IR-40T

• These ink cartridges are the industry standard and compatible with almost all standard printing calculators and adding machines. 
• Comes with two colors: Black for addition and Red for subtraction.
• The cartridges are high quality and long-lasting.
• Ink resists fading and makes your prints look sharp and vibrant.
• Takes less than 30 seconds to install. Refer to your machine’s instruction manual for further instructions.