Product Name: Screw Thread Digital Caliper (181-121) Model NO.: 181-121 Trademark: Anyi Transport Package: Plastic Case With Paper Cover Specification: 0-150mm, 0-200mm, 0-300mm Origin: China HS Code: 9017300000 Product Description 1. Measure the working and single pitch diameters of internal and external threads.2. Can design according to each kind of pitch for wide measuring range of pitch diameter.3. Available with Carbide-tipped jaws and the high precision electronic component.4. Calibrated by master gauge for a higher accuracy.5. Resolution 0.01mm, 0.005mm and 0.001mm are optional.Measuring RangeOrder No.ResolutionPermissible Error0-150mm118-1210.01mm+/-0.03mm0-200mm118-1220.01mm+/-0.04mm0-300mm118-1230.01mm+/-0.05mm0-500mm118-1250.01mm+/-0.06mm0-600mm118-1260.01mm+/-0.06mm0-150mm118-1110.005mm+/-0.020mm0-200mm118-1120.005mm+/-0.030mm0-300mm118-1130.005mm+/-0.040mm0-100mm118-1000.001mm+/-0.007mm0-150mm118-1010.001mm+/-0.009mm