The majority of the antique fireplace fenders we stock are of two types. They are either American and consist of period Federal fire screens, and wire fenders, or they are of the Victorian period and consists of antique fenders known as surrounds and bumpers. They are made of brass, wire, steel, and occasionally copper. We have a diagram that we are happy to send you that you can email back to us with you specifications and we will do a search for you.