1,1mg-1kg weight set 2, OIML E2,F1 calibration weight 3, ASTM ... and educational use NORMAL LINE 1mg-1kg weight set: The whole weight set includes 25pcs weights, a tweezer, aluminum box. ... needed laser marking words. Packaging:Aluminum box for weight set; Aluminum box or plastic box for single weight.Final ... Road, Choumou,Bieqiao Town,Liyang City,Jiangsu Province,China. Heavy capacity weights avaiable: