Acme Thunderer - Model 58

Large size whistle with a deep tone. Water proof speed pea with easy to blow instand responseThe World Famous Model 63 - often copied but nothing beats the Original. This is the Official Whistle of the Italian Police Department. This is the loudest whistle in the Acme Thunderer Class - Nickel Plated Brass. Enlarged mouthpiece lets more air in - You get a louder sound out.