Acme Thunderer Plastic Whistle Medium No. 560

Sound: the whistle has a very perceptible trill sound. The powerful sound penetrates loud background sounds that are not uncommon outdoors or even in a stadium. With this whistle, you can attract attention anywhere and anytime. Triller: a classic whistle with a ball inside. But the special feature: the ball of the triller cannot jam and therefore the whistle is fully functional even in heavy rain. Standard set: Acme has been producing whistles for many years, but always sound 100% the same. The whistles are all frequency standard and therefore you have the guarantee that the whistle will sound the same even in several years. Sport: ideal as a whistle for the coach, for the sports teacher in school lessons or as a referee whistle for important games. But even dog sports uses this whistle to send commands to the dog