1, weights&masses 1mg-1kg 2, JF-1 OIML E1,E2,F1 weights&masses 3, ASTM class 0,1,2 weight 4, 1mg-1kg calibration weight PREMIUM LINEBrandFuyueMaterialJF-1 stainless steelNominal Value1mg-1kg(25pcs)MarketSwiss, Moldova, Turkey, Australia, Bulgaria, India, Japan, Lithuania, Indonesia, Venezuela, Dominican, etcCertificateISO 9001:2008ApplicationSuitable for laboratory, chemical, medical, commercial ...