The Smith Corona 21000 correctable film black ribbon which gives you unmatched sharpness and clarity for printed text. This package contains two correctable film black ribbons per package. Also known as H21000. Note: This is a genuine Smith Corona product not a generic or compatible Indulge in the authenticity of the genuine Smith Corona SL460 H Series black typewriter ribbon pack/2. Elevate your typing experience with the unmatched precision and clarity offered by the Smith Corona 21000 correctable film black ribbon. Important Note: This is a bona fide Smith Corona Product ensuring top-notch quality and performance. Beware of imitations or compatible alternatives. Order by 5 PM EST and your item will typically ship on the same business day. Enjoy swift delivery and the assurance of genuine excellence with every keystroke.