Strongest, Tough Industrial Grade, Solid Brass Pea Whistle Nickel plated
Has a square mothpiece.
Still popular with rugby refs.
Used by Railway companies - we sell to many of them
The specified model for use by Fire Brigades - we supply a number of forces.

{Uses}
Recommended for: Tough Sports, Military, Police, Industrial, Fire & Safety
Originally supplied to Railway companies and Rugby Clubs as deep authoritive sound.
We supply this model to Virgin and EBIS (Abellio Greater Anglia)
The specified model for use by Fire Brigades - we supply a number of forces.
{Technical}
Stands out from background noise
Blowrate: Hardest to Blow
Blowsound: Medium Loudness
Blowtone: Deepest
{Size}
Weight 0.51 kgs
Size: 2.25" or 5.7cm