for printing date code and batch numbers. With excellent characteristics, as low price, easy use, legible etc Solid Ink RollerFeature: to print production date and batch etcSubstrates: PET, PE, PP, leather, paper etc.Character: convenient, clear, dried fast, unpollutedRoller diameter: 36mm, 40mm, 45mm, 48mmRoller width: 10mm, 16mm, 32mm, 40mm, 60mmColor: black, white, blue, red, yellow, orange ...