230*22,2*2,4 - CI?CIE NA SUCHO, DO GLAZURY, BETONU,KAMIENIA, CEG?Y; DIAMOND CONCENTRATION 20%, GRADE JR4, HARDNESS 13-1 6 KG, BOND CU 4%, CO 12%, NI 10%; BLADE 65 MN STEEL, RPM 80M/S; MPA CERTIFIED