Manufacturer Part Number: 34-423-4|Go/No Go|Go; No GoThread Size|7/8-9Material|SteelClassification|2BGo Pitch Diameter (Inch)|Go Pitch Diameter (mm)|No Go Pitch Diameter (mm)|No Go Pitch Diameter (Decimal Inch)|Handle Size|4Handle Included|YesOverall Length (Decimal Inch)|Overall Length (mm)|Thread Direction|Calibrated|Traceability Certification Included|NISTStandards|NISTThread Style|Coating/Finish|Single Or Double End|DoubleSeries|Thread Standard|Includes|HandleUNSPSC Code|41111619