Keep your typewriter running smoothly with the Nukote B70 Universal Typewriter Ribbon. It s impregnated with ink and imparts the colors onto your typing paper when you press the keys on your typewriter. The black ink in this ribbon is fresh to provide rich lasting results. Once in place inside the machine the ink spools will advance automatically with each press of a key helping to ensure a fresh surface for the ink transfer with individual keystrokes. As you continue to type the ribbon will slowly unspool from one side to the other. This typewriter ribbon spool is easy to install and remove as needed. This product is compatible with most typewriter models. For just about anyone who enjoys using a classic typewriter in a home office this item is a cost-effective choice. Stock up on several ribbons so you can have plenty on hand for large projects. Nukote also carries additional typewriter accessories. All items are sold separately.