... by rocking handle and digging rope. IntroductionManual Venetian blinds have different sizes of 16mm,25mm,35mm,50mm and ... 90mm and diversified colors. Blinds’ installation, operation, maintenance and cleaning are simple and ... suitable for indoor usage.More Information Type: Venetian Shutter, Curtains, Blinds Brand: Boosly Frame Material: Aluminum Alloy Blind: sunscreen, ...