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 White, Label Finish Matte, Label Height Not Applicable, Label Material Polyester, Label Width 1/2 in, Material Properties Cold-temperature application, Cryogenic, Printer Series Compatibility BMP41, BMP51, BMP53, M511, Ribbon Color Black, Roll Length 25 ft