Version :
All gauge blocks are marked with an individual identification number. Of special alloy steel, carefully hardened and stress-relieved. Size 0.5 to 10 − cross-section = 30×9 mm. Size 11 to 500 − cross-section = 35×9 mm. Tolerance class 1 for checking standards, gauges and for setting length gauges as well as for normal inspection work in the inspection room. Version same as No. 480450.

Note :
Other nominal dimensions available on request.