The large Thunderer whistle with fingergrip from Acme is made of solid brass and is a pea whistle. It is high power and medium pitch 115dBA. It has a deep tone and a tapered mouthpiece. It comes with a fully adjustable cushioned brass fingergrip.
The large Thunderer whistle with fingergrip from Acme is made of solid brass and is a pea whistle. It is high power and medium pitch 115dBA. It has a deep tone and a tapered mouthpiece. It comes with a fully adjustable cushioned brass fingergrip.