... 2, OIML E2,F1 calibration scale weight 3, ASTM class1,2 weight 4, 316L stainless steel ... 200g; For another 200g, it is marked with "*" in addition to "200".Non-magnetic tweezer(both small and big):usually marked ... ,500mg,1kg,2kg,5kg,10kg,20kg,etcCustomized weight available.Welcome to our company:No.8 Construction Road, Choumou,Bieqiao Town,Liyang ...