Weights/Calibration Weight/test weight 1mg~20kg Port:GuangZhou Payment Terms:T/T,L/C Delivery Time:10~30 day stainless steel weight ... calibration weight test weight OIML Class M1, F2 ... , F1, E2, E1 Capacity: 1mg-20Kgstainless steel weight calibration weight test weightOIML Class M1, F2, F1, E2, E1Weight Set:1mg-500mg ...