System windows, for TS, SE, 30 section, material: Extruded aluminium section with die-cast zinc corner pieces and single-pane safety glass., surface: Base frame: Powder-coated on the outside in RAL 7035, Hinge and lock section: Natural-anodised, description: To conceal display and operating instruments or cut-outs, and to protect against dirt and liquids as well as unauthorised access.