67 DIAMOND grinders CONCRETE&STONE DCG DOUBLE ROW concrete & stone 5MM SEGMENT HEIGHT DOUbLE ROW SEGMENTED VENTILATED CORE DESCRIPTION ; A standard-line double row cup grinder. USE ME FOR ; Good life and stock removal in concrete and medium hard stone. DsCGDOUBLEROWconcrete & stone 5MM SEGMENT HEIGHT DOUbLE ROW SEGMENTED VENTILATED CORE DESCRIPTION ; An entry level double row cup grinder. USE ME FOR ; Good life and stock removal in concrete and medium hard stone.