ACME Official Referee Whistle AC60.5

This is the official referee whistle from ACME, a long-established British whistle manufacturer. It is easy to blow and produces a clear sound, with a high-pitched tone that resonates well. It is a standard whistle used by sports referees and coaches, as well as teachers and police officers. Dimensions: (W)18 x (D)47 x (H)20mm Weight: 20g Country of Origin: UK The (D)47mm dimension includes the area where the ring passes through the top of the whistle.