Diesella Gauge Block Set in steel for checking of calipers DIN.NORM

For testing of the accuracy of calipers. Set containing 5 units with factory-Certificate (Certificate from manufacturer). The set contains the following gauge blocks and setting rings: Gauge blocks: 30 mm / 41,3 mm / 131,4 mm DIN3650 Toleranceklasse 1 Control rings:Ø4 mm / Ø25 mm DIN2250 Factory certificate included.