Original & Genuine, the Thunderer Series is an Official Referee Whistle, the No.1 choice of Professionals, with over 200 million sold Worldwide.
- Small, high, and LOUD
- Waterproof speed pea - works in rainstorms.
- Easy blow & Instant response
- Lead free
- The latest high tech research & development has created the modern Thunderer.
- Independent laboratory tests have confirmed that the Thunderer outperforms even the closest copies.
- Use by the NFL, FIFA, Olympics and many other World Class leagues.
- Relied upon by top officials for 130 years.