(Shown next to the standard Acme Thunderer for comparison. Smaller whistle is not included.)
Large Whistle (2 3/8" or 6cm)
Tapered Mouthpiece.
Strongest
Tough Industrial Grade
Solid Brass Pea Whistle
Large Whistle (2 3/8" or 6cm)
Tapered Mouthpiece.
Strongest
Tough Industrial Grade
Solid Brass Pea Whistle