Acme Thunderer Whistle 477/585
Hockey referee whistle Acme Thunderer 477/58.5 Finger Grip Metal Whistle Nickel-Plated.
This is the classic silver Acme Thunderer 477/58.8 whistle that is used by most of NHL referees. The sound is perfect and the whistle will last many years.
Adjustable so it fits on all sizes of fingers.