ACME whistles.

The original from England.

The English company ACME Whistles has been producing high-quality whistles for every use for over 140 years. The origin lies in the 19th century. Since then, a lot has been invested in research and development, so today dog whistles, whistle, referee whistles and signal whistles can be manufactured in different versions and for various areas of application. Today, ACME is one of the world's largest and most well-known pipe manufacturers. Unlike other pipe manufacturers, ACME did not concentrate on the usual pipe types, but used different materials and also combined them. The quality of the whistles is reflected when used.