Label Maker Printer Ribbons, Compatible Grainger Part Number 787NV3, Compatible Mfr Part Number TD-4750TNWBCS, Printer Series Compatibility TD4750TNWBCS, Ribbon Color Black, Ribbon Format Open Core Ribbon, Ribbon Length 300 m, Ribbon Width 4 21/64 in, Ribbon Series BMSLP, Ribbon Formulation Resin, Core Diameter 1 in, Product Type Thermal Transfer Ribbon Roll, Resistance Properties Abrasion-, Chemical-, UV-