The official whistle of the NHL and USA Hockey.
- 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
- Includes removable Cushioned Mouth Grip (CMG?)
- Fingergrip model has adjustable fingergrip that fits securely and comfortably over group of fingers