Acme Tornado 2000 Black Plastic Whistle As used in FIFA Internationals, Premier League and Champions League. Features: As used in FIFA Internationals, Premier League and Champions League. The worlds most powerful whistle. Two high pitch frequencies for volume close to the whistle and a lower pitch for long-distance sound. Recommended for referees, big stadiums or wherever real power is required Specifications: Dimensions: H:14.5 x W:7.0 x D:2.6 cm Model Number: FB530
