Gauge block test set for micrometers-11 pcs. set

For checking external micrometers to VDI / VDE / DGQ 2618, sheet 10.1.

The set contains:

• 1 pc. Optical flat Ø30 mm
• 1 pc: 2,5 / 5,1 / 7,7 / 10,3 / 12,9 / 15 / 17,6 / 20,2 / 22,8 / 25 mm