Model         Per package     P.S/cm               G.W/kg        N.W/kg  
A2812        1PC                  68*18*33            8.5kg          7.5kg  
A2814        1PC                  77*18*36            9.5kg          8.5kg  
A2816        1PC                  84*18*40            10kg           9kg  
A2818        1PC                  96*18*46            12kg           10.5kg  
A2820        1PC                  102*18*50          13kg           11.5kg