Black Nylon RibbonCompatibleReplacement For: Acroprint 390121 (39-0121-000) and Copi-Mate 310001KPackage of TwoSwartz Ink Products RibbonThis ribbon works with the Acroprint 175, 180, ATT310, ES700, ES900 and Patriot time clocks.Brand: Generic, Color: Black, Size: 2 Pack