Model            Per package       P. S/cm           G.W/kg       N.W/kg  
A4812               1PC             68*18*33             8.5kg         7.5kg  
A4814               1PC             77*18*36             9.5kg         8.5kg  
A4816               1PC             84*18*40             10kg          9kg  
A4818               1PC             96*18*46             12kg          10.5kg  
A4820               1PC             102*18*50           13kg          11.5kg