Sold as 2/Pack. Used for K Series, Wordsmith 100, 150, 200, 250. Use only with correctable film black ribbon cassettes. For use with Wordsmith 100, 150, 200, and 250 typewriters. 2 per pack. Premium-quality ribbons provide crisp, sharp typeconsistently!. Offers precise, clear lettering for use. Lifts off errors quickly and cleanly. Designed to work with name brand typewriters and printers. Economical, easy-to-install lift-off tape. Material: Wooden paper. The Wordsmith K-Series spool correction tape offers clean, precise removal of errors.