Kroy Tape Cartridge for Kroy 61, 80, 80K, 80K Editor, 190, 7301, 7401, 7402; Keyboard Version from 3M; Gestetner 88 Black on Translucent Diazo Supply Authentic Kroy Product For Kroy 61, 80, 80K, 80K Editor, 190, 7301, 7401, 7402 For 3M Keyboard versions and Gestetner Model 88