Single-Color Printer Ribbon, Compatible Grainger Part Number 22NA72, Compatible Mfr Part Number BBP72-34L, BBP81, Printer Series Compatibility BBP72, BBP81, i7100, THT 3 In. Core Printers, Ribbon Color Black, Ribbon Format Open Core, Ribbon Length 984 ft, Ribbon Width 2 3/8 in, Ribbon Series R6200, Ribbon Formulation Resin, Core Diameter 1 in, Product Type Single-Color Printer Ribbon, Resistance Properties Abrasion-Resistant, Chemical-Resistant, High Temperature-Resistant