... 1,1mg-2kg laboratory weight 2, OIML E2,F1 calibration weight 3, ASTM class1,2 weight 4, 316L stainless steel weight STANDARD SERIES ... :2008ApplicationSuitable for laboratory, chemical, medical, commercial and educational useNORMAL LINE 1mg-2kg weight set: The whole weight set includes 27pcs ... ,200mg,500mg,1kg,2kg,5kg,10kg,20kg,etcCustomized weight available.Welcome to our company:No.8 Construction Road ...