... ,6mm,8mm; Space: 6mm,9mm,12mm,16mm, etc.Reinforcement steelU form galvanized steel; 1.2mm, 1.5mm, 2.0mm, 2.5mmSealRubber ... Chinese hardware, (Multi-point lock and handle) , G-U or ROTO also can be usedMosquito meshesMetal and nylon material.Specification: Window styleEuropean style ... ,6mm,8mm; Space: 6mm,9mm,12mm,16mm, etc.Reinforcement steelU form galvanized steel; 1.2mm, 1.5mm, 2.0mm, 2.5mmSealRubber ...