Sufficient : you will 6 pairs of spool typewriter , the is enough to meet your daily use and replacement, solve the of frequent purchase Model compatibility: the typewriter spool ribbon is suitable for most typewriters, you can the right ribbon according to your typewriter model quality: twin spool typewriter ribbon has ink, which will bring you a good use experience; And it will not be a ribbon that has been left for many years, so you 't have to worry about using it Red and black color: different from other single color , the provided typewriter ribbon has red and black inks, different colors are easy to distinguish, which is more convenient to use in your work Easy to use: these typewriter spool are suitable for most typewriters, you can use to replace the or broken ones, easy to replace and use, suitable for office Type: Typewriter Ribbon Material:ABS+Nylon colour:Black + Red Package Contents: 6 x Typewriter Only the above package content, other products are not included. Note: Light 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.