* Made from high quality stress relieved alloy steel
* Hardened to HV820 (HRC65)
* Excellent rigidity
* Size and serial number are engraved on each individual gauge block
* Available in 3 grades:
- Grade 0 for calibration
- Grade 1 for inspection
- Grade 2 for workshop
* All sets have a MOORE & WRIGHT certificate
* All sets can be issued with a UKAS certificate at extra cost