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Matest Concrete Test Hammer

Spring impact energy 0,225 mkg.(2,207 Joule)   Suitable for finished concrete structures and buildings having strength resistances from 10 to 70 N/sq.mm   Supplied complete with calibration curve chart in N/mm 2 (Mpa) values, abrasive stone, carrying case. Dimensions:dia.80×340 mm Weight:3 Kg