Descriptions: louvre frame Materials: aluminium, iron Pattern: single bar, double bar Specifications: 4", 5", 6" Sizes: 24", 30", 36" and 39. 5" or your requirements Blades: 2-20blades Packing: 10pairs / carton, 80000blades / 20'container Descriptions: figured louvre glass, clear louvre glass Thickness: 4mm, 5mm, 6mm or your requirements Sizes: 24", 30", 36" and 39. 5" or your requirements Packing: 40pcs / carton, 32pcs / carton, 27pcs / carton, 24pcs / carton and 550cartons / 20'container.