Printronix
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P300, P600, P4280, P5000, P5005, P5015, P5205, P5210, P5215, P5220, P5224, and IBM 6400 series printers - Extended Life Text Ribbon for report or text printing applications (60 Yards) (30mil character yield)) (This is a box of 6 ribbons. Sold by the box.)