ACME THUNDERER 477/58.5 FINGER GRIP WHISTLE
Acme Thunderer 477/58.5 features are Hand polished, High power, Medium pitch 115dBA, Large chamber with Deep tone, Natural cork pea, Adjustable finger piece and Tapered mouthpiece. The 58.5 series are perfect for large sporting gounds and games where background noise is high.
- 115 dBA
- Blow rate required 5
- Blow sound 3
- Blow tone 5