Inspection Grade 1

Manufactured from specially selected high quality, age hardened, alloy steel
Suitable for calibrating micrometers & calipers
The individual Gauge Block sizes in the set have been selected to check the accuracy of the micrometer spindle and measuring faces at 5 different rotational positions between    0–25mm ensuring accuracy of the screw and parallelism of the contact faces
Supplied complete in fitted wooden box.

Supplied with a UKAS Calibration Certificate