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Premium referee whistle used by the top elite FIFA referees throughout the world. The Molten Valkeen is the most popular whistle used at the highest level of soccer throughout the world. Features: Hand flip grip whistle constant clear tone patented 4 octave sound 2 frequency ranges: 3.67 kHz and 4.15 kHz 125 dB Flip Grip: This revolutionary invention enables the referee to hold the whistle securely 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 the whistle in a flash.Includes 3 different size Flip Grips: 18 20 and 22mm
- Body Material: Plastic
- Volume: Approx. 125dB/10cm Frequency 4.15kHz3.67kHz
- Accessories: Rope with 2 adjustable rings