Acme Thunderer Plastic Whistles

Made of tough polycarbonate material these whistles offer an economic selection of size, pitch, loudness and pea options.

558    Very large; low pitch

559    Large; medium pitch

560    Medium; high pitch

636    "Tornado" Small size; high pitch; very load

640    "Combi"

642    "Stop & Turn" a single whistle combining a 211.5 and a 560 whistle

660    Small; high pitch