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