Rare hard-to-find combo video cable for Teknika MJ-22 monitor for Commodore 128 computer in both 40 AND 80-column modes. Not for Magnavox 80 column color RGB monitors. Also does not work on Commodore-branded RGB monitors (which usually require the Magnavox RGB cable). Approximately 4 ft. long? Ideal for use on the Commodore 128 and 128D computer. Despite being unused (NOS-- new older stock) the cable you receive may be slightly (but not significantly) smudged. Includes instructions.Note: When using the Commodore 128 or 128D computer in 80-column mode please make sure that the 40/80 key on the keyboard is pressed down. Also, make sure that the switch on the monitor is selected for RGB 80 column mode.