"Package of Two" Panasonic KX-R190, KX-R191, KX-R193, KX-R194 and Others Typewriter Ribbon, Correctable, Compatible, Replaces Panasonic KX-R20 and Nu-kote B199 Black Correctable Film Compatible Replacement For: Panasonic Part #KX-R20 and NU-kote B199 Package of Two Swartz Ink Products Ribbon