Brady X-131-492 Idxpert and Labxpert 1" Width x 0.5" Height, B-492 Polyester, Semi-Gloss FinishBlack on WhiteLabel (225 per Cartridge) Designed for use in laboratory identification such as vials, centrifuge tubes, test tubes, straws, and slides. Can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen. Recommended Ribbon: Brady R6400 ribbons with Brady series R4300 as an inferior but acceptable alternative. *Note: R4300 ribbon may be used if chemical resistance is not required with Ethanol, Toluene and Xylene. RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC.