Features:

• The Fox 40 Super Force is a nickel-plated brass, non-corrosive silver metal whistle
  
• Traditional lower-tone pea-style whistle developed for referees, coaches and trainers of any sport
  
• Lead-free
  
• Includes removable Cushioned Mouth Grip (CMG)
• Design: Moisture-resistant sound ball CMG
• Sound Power: 110 dB