Our compatible Replacement Citizen ribbons is designed and manufactured under strict ISO 9001 standards. The quality of our products will also meet or exceed OEM ribbons, allowing you substantial savings and higher yield capability over high priced OEM products. This includes six black ribbons per box. Compatibilities: ah37945-0 120D, 180D, 200Gx, 5200, Gsx140, gsx-140, gsx-200, gsx-230, gsx-240, lsp-10, lsp-100, lsp-1000, lsp-120, lsp-120d, lsp-180e, rp-100, swift 200, swift 24, swift 240, swift 240C, swift 240s, swift 24e, swift 24s, swift 9, swift 90 and swift 90s.