Model           Per Package        P.S/cm                      G.W/kg           N.W/kg  
B5812          1PC                      68*18*33                  9kg               8kg  
B5814          1PC                      77*18*36                  10kg             9kg  
B5816          1PC                      84*18*40                  10.5kg          9.5kg  
B5818          1PC                      96*18*46                  13kg             12kg  
B5820          1PC                      102*18*50                14kg             13kg