Series of 32 Johnson parallel-plane gauge steel blocks in wooden case. Hardness HRC64 Complies with ISO 3650 - DIN 861. Gauge blocks are reference measuring instruments for checking other instruments. The package contains 32pcs of different sizes. 5-point calibration, measurement uncertainty of the deviation in the center (0.07 + 0.5 · L) µm.
The item that is delivered is NOT the one shown in the pictures, but an equal one