Acme Tornado Whistle No.636

High Tone Recommended for anyone who is short of breath, as a safety whistle for the young and elderly. What is more this whistle has refereed F.A. and World Cup Finals Its power and reliability is proven with sales of over 30 million. Deep Tone Classic big Thunderer. Deep tone and loud made from Polycarbonate. Tough and bite resistant - longer life than standard plastics. Nickel Medium size, Solid Brass, Silvery Finish, Pea Whistle. Tapered Mouthpiece. A medium sound recommended for General Signalling and Police.