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

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 fingergrip fits various hand sizes and reduces transfer of impact energy to the hand
• Elastomer material is warmer in cold arenas
• Indestructible polycarbonate 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

The Caul