Label Printer Ribbon Compatible Mfr Part Number THT 3 in Core Printers Printer Series Compatibility THT 3 in Core Printers Ribbon Color Black Ribbon Format Ribbon on Open Core Ribbon Length 500 ft Ribbon Width 4 5/16 in Ribbon Series R6100 Ribbon Formulation Wax/Resin Core Diameter 1 in Product Type Single Color Thermal Transfer Ribbon Resistance Properties Scratch-Resistant Smear-Resistant Standards RoHS Compliance