Check the listing for details. SPI 14-654-8 Dial Drop Indicator 1/4" Range 1-100 Reading 1.5" Dial Diameter. Condition: New. Listed at 79.99 USD. Brand New! Fast Shipping! *Slight damage to case. See pictures* Back TypeFlat; LugMaximum Measurement (Decimal Inch)0.2500Maximum Measurement (Inch)1/4Dial Graduation (Decimal Inch)0.001000Dial Reading1-100Dial Diameter (Decimal Inch)1.6250Dial Diameter (Inch)1-1/2Stem Diameter (Decimal Inch)0.3750Traceability Certification IncludedNPLDial ColorWhiteThread Size#4-48Revolution CounterYesFeaturesRevolution Counter; Rigid, Forged Brass HousingIncludesTolerance Pointers; Flat and Lug Back; Certificate of Calibration Traceable to NPLStandardsASME B89.1.10M-2001; AGD Group 2; Certificate of Calibration Traceable to NPLRange Per Revolution (Decimal Inch)0.1000SPI Part Number14-654-8Unit of MeasureEnglishUNSPSC Code41111630