Continuous Label Roll Cartridge, Compatible Grainger Part Number 53PJ33, Compatible Mfr Part Number R4400, Label Color Red, Label Gloss, Label Material Vinyl, Label Width 1/2 in, Material Properties Autoclavable, Printer Series Compatibility BMP21-LAB, BMP21-PLUS, M210, M210-LAB, M211, Ribbon Color White, Roll Length 21 ft, Vial/Tube Size 1.5 ml, For Print Method Thermal Transfer, Material Series B-595, Maximum Service Temperature 176 Degrees F, Minimum Service Temperature -40 Degrees F.