This is a reproduction belt buckle or cartridge box buckle is made of solid brass. The buckle was made from an original buckle. The buckle measures 2 1/8" x 1 3/8" on the outside, the inside measurement is 1 3/4". The buckle can be used for a belt. The buckle is polished and has a tongue installed on the middle bar. The original was found at Fort Independence ,Vermont, and is made from one in our collection.