It has Ultimate accuracy and is used as the standardised artifact.
Accuracy : 10mm pitch <1m and overall accuracy <2.5m / meter.

Price:
Material : Machine Base is made of Cast Iron
Application : specially designed for calibration of internal / external plain and thread gauges including taper gauges, measuring devices like internal / external micrometers, precision dial indicators etc
Warranty : 1 Year
Equipment Materials : Machine Base is made of Cast Iron