The following is the detailed information for Digital Readout and Linear Scales: Digital readout TOP10-2 TOP10-3/BC11-2 BC11-3 /BC10-2 BC10-3 GSN4104 GSN4204 Linear scales resolution:0.005mm,0.001mm Measure length: 100mm--1000mm(Including 1000mm) 1100mm,1200mm,1300mm, 1400mm,1500mm,1600mm, 1700mm,1800mm,1900mm, 2000mm,2200mm,2400mm, 2600mm,2800mm,3000mm. For more information,feel free to contact me pls!Best regards!Tina