Acme Plastic Thunderer

Black plastic version of the famous brass/nickel Thunderer
Extremely popular throughout the world

Available in a wide range of colours -
Black, White, Yellow, Orange, Red, Green, Yellow and Luminous

This small versatile whistle is classified as -
Blowrate - easy
Blowsound - maximum
Blowtone - high

Finger grip version of the popular 660 only available in black