Dataproducts Calculator Black/Red Ink Roller – For use in Aurora calculators. Scientific testing makes integration seamless. Made from first-rate parts. Prints cleanly and smoothly.

• Compatible with the Casio IR-40T ink roller.
• Prints cleanly and smoothly.
• Streamlined design makes installation and replacement a snap.
• Recycling solution — designed to encourage recycling, helping you divert materials from landfill.