1.Profile Thickness: 1.4mm; Frame:89mm width, could install with sliding gauze sash orcasement gauze sash2.Frame should cut in 90° then connected by screw, sash cut in 45 then connect by the angleconnector3.Central column, top fixed and bottom designed of tearing, it could reduce the inventory.4.In addition to the special hinge, other accessory can be universal5.Glass slot: 24mm, could install 5mm+12A+5mm or 6mm+9A+6mm tempered glass6.This series could install Two track with outward opening casement gauze7.1.5m X1.5m Standard Window: 11.3kg/m28.Suitable for Balcony