Sufficient: You will receive 2 pairs of spool typewriter ribbons, enough for daily use and replacement. Model Compatibility: These spool typewriter ribbons are compatible with standard typewriters. Please verify compatibility with your specific typewriter model before purchasing. Ink: The ribbons are pre-inked and fresh, ensuring clear, consistent typing performance—no dried-out or outdated ribbons. Dual-Color Design: Features both black and red ink for versatile typing needs and easy color differentiation. Easy to Install: Designed for simple replacement of old or worn ribbons; compatible with most standard spool-based typewriters. Ideal for office or home use. Type: Typewriter Ribbon Material: ABS + Nylon Color: Black + Red Package Contents: 2 × Typewriter Ribbons Note: Colors may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm. Package includes only the items listed above.