This listing includes two Dataproducts R3027 ink ribbons, perfect for universal calculator spools. The ribbons come in black and red nylon material and are compatible with various brands such as Canon, Casio, and Sharp. Each ribbon measures 4.8 inches in height and 3 inches in length.

These ink ribbons are ideal for printing documents and images in black and red. They are specifically designed for use with Dataproducts R3027 models and are perfect for those in need of a replacement ribbon. Get your hands on these high-quality ribbons today and enjoy excellent printing results!