This is a [bit ring] made by a farrier for JRA racehorses. I received it from an acquaintance. It is unknown whether it was used in a race. Approximately 40 years have passed, but the quality has not changed at all. It is a stainless steel bit ring. Ideal for horseback riding. - Material: Stainless steel - Length: Approximately 30.5cm - Ring Diameter: Approximately 8.7cm (outer) 7.8cm (inner) - Weight: 233g Thank you for viewing.