Manufacturer Part Number: L415|Accuracy|0.0016 in; 0.04 mmGage Type|InternalResolution|Contact Point Type|Ball to BallMinimum Measurement|Maximum Measurement|Tip Diameter|Groove Depth|Groove Width|Batteries Included|Number Of Batteries|1Groove Width (Decimal Inch)|0.0740Battery Size|1.5VBattery Chemistry|Leg Length|Minimum Pipe Inside Diameter|Data Output|YesIncludes|Caliper GageStandards|UNSPSC Code|41111600