Technical Data:
Precision bore gauge without dial indicator
Range: 18-35mm
Accuracy without dial comparator: +/-0.004mm
Repeatability without dial comparator: 0.0015mm
Digital indicator is optional
Ceramic anvil
Contact point: steel for 18-35mm; ceramic for 35-450mm

Dimensions:
L=141mm
Drawing reference length=109mm
Contact/reference diameter=dia.9mm
Body/reference diameter=dia.12.7mm
Drawing reference dimension=12.2mm
Drawing reference dimension=6.4mm
Contact point radius=SR1.5
Anvil radius=SR1

Remark:
Optional accessory: dial indicator
Optional accessory: setting ring code 6312
Optional accessory: bore gauge setter
Built-in wireless digital indicator is optional