Precut Label Roll , Compatible Grainger Part Number 20XX01, 20XX02, 20XX04, 21U174, 21U176, 21U177, 21U178, 21U179, 21U180, 29YJ26, 810HX3, 810HX4, Compatible Mfr Part Number BMP41, BMP51, BMP53, M511, Label Color Black/White, Label Finish Gloss, Label Height Not Applicable, Label Material Polyester, Label Width 1 in, Material Properties Not Applicable, Printer Series Compatibility BMP41, BMP51, BMP53, M511, Ribbon Color Black, Roll Length 25 ft, Vial/Tube Size Not Applicable