30 x 22 mm
One piece sterling silver cinch mounts provide the perfect bezel for your cloisonné or miniature portrait enamels. Stone the edges, insert into bezel, squeeze with needle nose pliers.
Copper FLAT oval that fits the housing perfectly. There is a groove inside the housing that fits around the edge of the copper and contains it so that it is inserted into the brooch. If you squeeze the top bale slightly with a pair of pliers, it pulls the grooved edges tight to the copper oval.
The gallery wire is 3.4mm (0.135″) wide filigree