Model          Per Package        P.S/cm                G.W/kg          N.W/kg  
B8812         1PC                      68*18*33           9kg               8kg  
B8814         1PC                      77*18*36           10kg             9kg  
B8816         1PC                      84*18*40           10.5kg          9.5kg  
B8818         1PC                      96*18*46           13kg             12kg  
B8820         1PC                      102*18*50         14kg             13kg