for Sharp El-1197PIII Calculator Ink Ribbon (#11216, 11210) for Canon mp11dx calculator ink ribbon MP21DX, MP25DV, MP27D GR24 Compatible with Nukote BR80C Calculator, Casio FR-2650TM, DR-120R, DR-210, Dataproducts R3027 Calculator Ribbon, BOEDCN-GR24BR Size and Packaging: Each package includes 12 high-quality ink ribbons. The ultra-long twin spool design features a length of approximately 18 feet (5.5 meters) and a width of 1/2 inch, with a spool diameter of 3/8 inch, ensuring extended use and durability. Versatile and Convenient Design: LinkDocs twin spool calculator ribbon not only ensures smooth, seamless printing but also protects your equipment by preventing damage from rough interfaces. It's an ideal choice for maintaining your printing devices in optimal condition. Ideal for Professionals: Perfect for accountants, students, or business owners, this red and black ribbon produces professional, long-lasting results. Make your calculations clear and impressive with this reliable typewriter ribbon replacement, designed to simplify your work and leave a lasting impression. LinkDocs GR24 GR24BR Universal Twin Spool Calculator Ribbon Compatible with NuKote BR80c Dataproducts R3027 Sharp El-1197 P-III Porelon 11216 Printer (Black/Red,12 Pack)