The From the Anvil Hook Plate Pewter is to be used with fasteners on flush fitting windows without a central mullion and is fitted with the \'opening pointing down.\' The overall size is 57mm x 19mm and is sold individually complete with fixings. Pewter Hook Plate The hook plate has a pewter patina finish - this has anti-corrosion properties and can be used internally or externally. To remove dirt deposits, simply wipe over with a lightly oiled cloth from time-to-time and this will restore it to its original condition. Do not use any form of aerosol spray or metal cleaner. Other Variations I...