We are offering caliper thickness gauge.Features: sturdy in construction.provided with shock proof dial having a range of 510 mm and 0.01 mm accuracy.best quality casting stand for long use without distortions.handy in construction and can be used as a table model or a portable one.with 6 mm flat point for getting an average reading.ground and flat lapped anvil as a paper rest.a dead weight is provided for correct measurement.