Measuring functions：For measuring squareness, straightness, parallelism of all kinds of precision workpieces, machine parts, gages. Dimension transfer for precision comparisons of measurements.p>

Measuring method Fine adjustable free-fall measurement, non-backlash slide motion.

Materials
Master: DIN 00 grade black granite straight edge master
Base: lapped hardened chrome steel
Slide: special aluminum & lapped hardened chrome steel