1,1mg-1kg weight set 2, OIML E2,F1 calibration weight 3, ASTM class1,2 ... , commercial and educational use NORMAL LINE 1mg-1kg weight set: The whole weight set includes 25pcs weights, a tweezer, aluminum box. Our ... your needed laser marking words. Packaging:Aluminum box for weight set; Aluminum box or plastic box for single weight.Final packaging ...