Acme Thunderer Metal Fingergrip Whistle Model:58 XL Shape: Features a flared bell

Shape: Features a flared bell at the end

making it easy to carry and use on the go

Piercing 115 dB Sound: Audible over a mile

Very loud and far carrying frequency

son of founder

Acme Thunderer Metal Fingergrip Whistle Model:58 XL Shape: Features a flared bellFingergrip version of the most popular sports whistles. 58 version is the official whistle of Canadian Hockey Brass nickel plated Netball and football tend to use the 60. 5 model Rugby tend to use the 58. 5 or 58 model Uses Netball and football tend to use the 60. 5 model Rugby tend to use the 58. 5 or 58 model Technical Refer to the non fingergrip versions for sound information Physically a little larger for the fingergrip element