- 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®)

- Fingergrip model has adjustable fingergrip that fits securely and comfortably over group of fingers