The From the Anvil 3\" Butterfly Hinge Pewter is a decorative carpentry hinge that can be used for a number of smaller applications like kitchen cupboards and trinket boxes. The overall size is 76mm x 51mm and the hinge arm is 51mm x 35mm. The hinges are sold in pairs complete with fixings. Pewter Hinges The hinges have 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...