Acme \'Silent\' brass dog whistle - nickel plated

Introducing the Acme 'Silent' brass dog whistle - nickel platedThe Acme Nickel Plated Brass Silent Dog Whistle is a highly versatile and adjustable tool for training your dog. With its adjustable screw piston mechanism, this whistle enables precise control over a wide range of frequencies, allowing you to tailor it to your dog's unique hearing range.Powerful and versatileThis whistle is adjustable between 5200Hz to 12880Hz and can be heard for over a mile, making it a brilliant tool for a variety of training exercises across many different locations. It is designed with special air directors to tightly control the frequency produced and generates over a mile of sound with minimal effort. Much of its original elegant shape from the period of Art Deco has been retained having been conceived by Clifford Hudson, son of founder, Joseph.Hand made in the UKTo this day Acme police whistles are manufactured in Birmingham using the original techniques and machinery from the 1800s. Outstanding craftsmanship and strict quality testing ensure every whistle is of the highest standard.'Silent' whistle; quiet for humans, loud for dogs, Pitch is adjustable between 5200Hz to 12880Hz, Designed with special air directors to tightly control the frequency produced, Generates over a mile of sound with minimal effort, Highly versatile and adjustable tool for training your dog, Made in the UK by Acme Whistles for Percussion Plus