- Whistle with hand flip grip for football and handball referees
- constant, rich, clear tone
- patented 4 octave sound
- 2 frequency ranges: 3.67 kHz and 4.15 kHz
- Volume: 125 dB
This revolutionary invention enables the referee to hold the whistle safely in his hand and to be able to gesticulate and signal freely. Thanks to the flip-grip technology, the whistle can be brought into the desired position for whistling in a flash.
Supplied in 3 different sizes: 18, 20 and 22mm