WIDE COMPATIBILITY：Compatible with Smith Corona Typewriters, Brother, Olympia, and Other Vintage Manual Typewriters. Universal Design Ensures Seamless Fit for Most Old-fashioned Machines. 2-PACK VALUE BUNDLE：Double the Quantity for Extended Use—ideal for Frequent Typists, Offices, or Collectors. Save Costs Compared to Single-pack Purchases，Ribbon Length Approx 22.9 Feet ，Ribbon Width 1/2 Inch, Spool Width 2inch, Center Aperture 0.2 Inch/0.05mm, Please Check Your Typewriter Ribbon Size Before Purchase. HIGH-QUALITY BLACK INK：Durable Nylon Ribbon Infused with Premium Ink for Crisp, Fade-resistant Typing. Black/red Dual-color Option Enhances Versatility for Documents, Labels, or Creative Projects. HIGH-QUALITY BLACK/RED INK：Durable Nylon Ribbon Infused with Premium Ink for Crisp, Fade-resistant Typing. Black/red Dual-color Option Enhances Versatility for Documents, Labels, or Creative Projects. EASY INSTALLATION：Pre-spooled on Standard Spools for Quick Replacement. Keeping Your Typewriter Ready for Efficient Use Experience the Timeless Charm of Traditional Typing with WUAGNCK's Universal Typewriter Ribbon. This Convenient 2-pack of Black Ribbons Features a Versatile Dual-spool System Designed for Both Manual and Electric Typewriter Models. The Ribbons Deliver Consistently Sharp, Professional-quality Character Impressions Through Their Dense Ink Formulation, Perfect for Creating Everything From Personal Letters to Official Documents. Installation Is a Breeze with the Straightforward Spool-to-spool Design, Getting You Back to Typing Within Minutes. The Standard Width and Universal Mounting Mechanism Ensure Broad Compatibility Across Various Typewriter Brands, While the High-quality Ink Provides Extended Typing Life for Longer Writing Sessions. Each Package Includes Two Black Ribbons Ready to Bring Your Typewriter Back to Life, Maintaining the Distinctive Character and Authenticity of Typewritten Documents. The Simple Yet Effective Design Ensures, Impact & Dot Matrix Printer Ribbons—come shop now!