Experience clear output with a two-color ink roller that utilizes top quality ink formulations to deliver sharp, concise printing every time. Ribbon is compatible with Victor, Aurora, Canon, Casio, Innovera, Sharp and TI calculators. Easy-to-install design makes replacement quick and painless. Roller is manufactured under stringent quality standards to ensure optimal performance and seamless compatibility in your calculator. Colors include black and red. Compatible Victor models include 1230-4, 1240, 1240-2/3A, 1260-2/3, 1280-4/5/6/7, 1297 (Version 2 with black keys), 1430-2/3, 1460-2/3/4, 1530-III/4/5/6, 1560-III/4/5/6, 1570-III/4/5/6 and 2640-2.Experience clear output with a two-color ink roller that utilizes top quality ink formulations to deliver sharp, concise printing every time. Ribbon is compatible with Victor, Aurora, Canon, Casio, Innovera, Sharp and TI calculators. Easy-to-install design makes replacement quick and painless. Roller is manufactured under stringent quality standards to ensure optimal performance and seamless compatibility in your calculator. Colors include black and red. Compatible Victor models include 1230-4, 1240, 1240-2/3A, 1260-2/3, 1280-4/5/6/7, 1297 (Version 2 with black keys), 1430-2/3, 1460-2/3/4, 1530-III/4/5/6, 1560-III/4/5/6, 1570-III/4/5/6 and 2640-2.