ACME 660 Thunderer Plastic Whistle is renowned for effortless sound clarity and powerful reach. Just a gentle breath produces an authoritative 3600Hz sound, ideal for dog training, safety, and sports. Lightweight and compact, injection-moulded from durable weather-proof plastic. Non-stick pea design ensures reliable performance. Trusted by FIFA and World Cup referees. Over 30 million units sold worldwide.
Key Features:
• ACME 660 Thunderer training whistle
• Effortless 3600Hz sound - powerful reach
• Weather-proof durable plastic
• Non-stick pea design - reliable
• Perfect for dog training