... oxidation 4)dull polish processing manual venetian blinds : Manual Venetian blinds have different sizes of 16mm,25mm,35mm,50mm and 90mm and diversified ... . namemanual venetian blinds Usehome,hotel,school,meeting roomTypeverticalColorblack,white ,cherry ,snow white ,oakPayment termT/TPictures of the blinds: setting drawing :Color swatch 25mm wooden window blinds