1mg-500g E2 class weights OIML E2,F1 calibration weight ASTM class1,2 weight 316L stainless steel weight polish weights STANDARD SERIES BrandFuyueMaterial316L stainless steelNominal Value1mg-500g(24pcs)MarketSwiss, Syria, Moldova, Turkey, Australia, Bulgaria, India, Japan, Lithuania, Indonesia, Venezuela, Dominican, etcCertificateISO 9001:2008ApplicationSuitable for laboratory, chemical, medical, ...