Universal Compatibility: Engineered for wide-ranging use, this twin spool black ribbon is made directly compatible with prominent typewriter models such as -370A/E, -380A/E/EZ, -390A and -550A/E. Remember to check your machine model for compatibility to ascertain efficient and performance.Premium Quality & Reliable Performance: Crafted from robust materials for superior durability, the ribbon guarantees impressive readability with its crisp and clear print output. With this high-quality ribbon, every typed letter turns out just the way you want. Expect an enhanced typing experience that you can rely and time again.Distinct Visibility: With its classic black color, this ribbon creates sharp contrast on white or light-colored paper, ensuring your typed text amazingly well. High in practicability, it can be confidently used for a of applications, ranging from simple labeling jobs to crafting projects.Practical & User-Friendly: These ribbons have been designed with simplicity and ease of use in mind. Installation is quick and straightforward allowing you to replace an old or empty spool with minimal effort. Therefore, this black ribbon helps you maintain a seamless and efficient typing environment, ensuring that there are no unnecessary delays.Due to different product batches, the appearance may be different, which does not affect use. Color: black+green Material: plastic Package Contents: 5 x Black Typewriter Ribbon Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.