Tapered mouthpiece design Great versality with whistle sound and loudness Waterproof speed pea with easy-to-blow, instant response which doesn't lose intensity when growing wet with saliva Natural cork ball helps the whistle...
Acme 558 Thunderer features an large chamber with a high quality cork pea. low pitch 114dBA, very deep. The 558 Thunderer is suited to large sports grounds as the deep note will travel for extreemly...
Features: Acme Thunderer finger grip no 477/660 The easiest to blow. You only have to breath into this whistle to get a loud sound. Classic Small 660 model whistle with...
The Acme Cyclone 888 Plastic Whistle is a professional-grade pealess whistle designed for maximum sound output and ease of use. Its dual-chamber design ensures a loud, modulated sound that is...
Acme 888 Plastic whistle is a pealess whistle with two sound chambers. Made from super tough plastic and produces a super loud whistle high and low frequency produced with the...