1,1mg-2kg laboratory weight 2, OIML E2,F1 calibration weight 3, ASTM class1, ... , India, Japan, Lithuania, Indonesia, Venezuela, Dominican, etcCertificateISO 9001:2008ApplicationSuitable for laboratory, chemical, medical, commercial and educational useNORMAL LINE 1mg-2kg weight ... surface for 200g; For another 200g, it is marked with "*" in addition to "200".Non-magnetic tweezer(both small and big ...