Acme Thunderer Whistle Medium is a black plastic version of the original and genuine Acme Thunderer, complete with its famous deep, low tone.
Tough and bite resistant - longer life than standard plastics.
Sound is as used by AFL (Australian Rules football) umpires.
Features natural cork ball helps the whistle emit a highly audible trill to get the attention of players or spectators. It's also unbeatable in strong winds and easily heard because of fluctuating frequencies.
Made in England.
