Feature Highlights: 1. Wide Compatibility – Works with many popular calculator models from brands like Casio, Sharp, Royal, Canon, and more. 2. Reliable Replacement – Designed to replace original ink rollers such as IR-40T, CP-13, EA-772R, Nu-Kote NR-42, and Porelon PR-42. 3. Dual-Color Ribbon – Each roller prints in both black and red, perfect for clear, two-color calculations. 4. Durable & Smooth – Made from quality plastic and premium ink materials for consistent, long-lasting performance. 5. Great Value Pack – Includes 50 ribbons in one set, so you’re stocked up and ready to go. Product Details: This set of calculator printer ribbons is made to fit a wide range of office and printing calculators. Each ribbon delivers sharp black and red printing, ensuring your records are easy to read. The rollers are built to last and provide smooth, reliable operation without smudging or skipping. Ideal for daily use in retail, accounting, or home office settings. Specifications: - Color: Black + Red - Material: Plastic casing with ink-infused fabric - Package Contents: 50 x printer ribbons - Compatible Part Numbers: IR40T, CP13, EA772R, NuKote NR42, Porelon PR42 Note: Slight color variations may occur due to lighting and screen differences. Product measurements may have a tolerance of +/- 1–3 cm. Only the items listed are included in the package.