A referee whistle like no other!
Designed specifically to encompass
a flexible finger grip.

Features:

• The Fox 40 Caul® has a traditional harmonized trill tone and clear loud sound

• The Cushioned Mouth Grip (CMG®) provides soft contact area and reduces impact on teeth

• Compact pealess design for flawless performance

• Flexible finger grip fits various hand sizes and reduces transfer of impact energy to the hand

• Elastomer material is warmer in cold arenas

• Indestructible poly-carbonate body

• No moving parts to freeze, jam or deteriorate

• Flawless, consistent and reliable

• The harder you blow, the louder the sound

• Easy to blow and cannot be overblown

• Will be heard above ambient noise

Design: 2-chamber pealess + CMG
Sound Power: 110 dB