Manufacturer Part Number: 34-287-3|Go/No Go|No GoThread Size|1/2-13Material|SteelClassification|6HGo Pitch Diameter (Inch)|Go Pitch Diameter (mm)|No Go Pitch Diameter (mm)|No Go Pitch Diameter (Decimal Inch)|Handle Size|2Handle Included|NoOverall Length (Decimal Inch)|Overall Length (mm)|Thread Direction|Calibrated|Traceability Certification Included|NISTStandards|ANSI; NISTThread Style|Coating/Finish|Single Or Double End|SingleSeries|Thread Standard|Includes|UNSPSC Code|41111619