The TUNZE magnet pane cleaners have been developed especially for the requirements of glass thicknesses of 6 mm to 55 mm. They all have a retaining cord. In order to ensure a hundred per cent protection against corrosion the magnets have been encapsulated saltwater-proof. The cleaning surfaces can be replaced easily. The cleaning surface of the model for 35-55 mm glass is 115x77 mm, the height inside: 26 mm and outside: 27mm. All others have a cleaning surface of 59x77 mm, height inside: 18 mm and outside: 22 mmDo you have questions about this article ?