Acme Thunderer (Referee's) Whistle (60.5) small This whistle is a small sized whistle with a high pitch. Overall length approx. 1 & 13/16" x drum width 13/16" x tapered mouth 1/2".
After his success with The Metropolitan Whistle, Joseph Hudson went on to revolutionize, ably supported by his son, the world of whistles. In 1884 the Acme Thunderer was launched. This whistle, the first and still the worlds leading pea whistle, offering total reliability, control and power to the referee, has, continued to be developed. It is now the world's biggest selling whistle, there is not a major league or sport that has not been graced by this whistle.