Make sure every player on the pitch can hear you through scrums, rucks, and sideline cheers. The 58.5 Acme Thunderer Whistle has been the whistle of choice for the world's top referees and officials for over 130 years. Get players to freeze in their tracks no matter what the weather conditions or crowd noise.
Hand polished solid brass for durability season after season
High power medium pitch (115 dBA) stands out from background noise
Tapered mouthpiece accommodates users of all sizes
Large size is easy to grasp in the midst of running while refereeing or coaching