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 1 9/16 in Ribbon Series R4300 Ribbon Formulation Wax/Resin Core Diameter 1 in Product Type Single Color Thermal Transfer Ribbon Resistance Properties Chemical-Resistant Smear-Resistant Standards CSA Approved UL Recognized