Acme Thunderer Referee Whistle

Command attention with this Thunderer blister card whistle from Acme Whistles. Recommended for anyone who is short of breath or as a safety whistle for the young or elderly. This black whistle is specially designed to emit a piercing loud whistle when blown, and it is attached to a metal ring, so you can add it to a lanyard or chain to wear around your neck. Non-stick pea whistle, high pitch, easily blown. Single black whistle. 5 x 1.8 x 2 cms