Model           Per Package       P.S/cm                 G.W/kg        N.W/kg  
A3812          1PC                     68*18*33           8.5kg           7.5kg  
A3814          1PC                     77*18*36           9.5kg           8.5kg  
A3816          1PC                     84*18*40           10kg            9kg  
A3818          1PC                     96*18*46           12kg            10.5kg  
A3820          1PC                     102*18*50         13kg            11.5kg