Dog Whistle Combination 640

Acme Dog Whistle Combination 640. A very high-quality and unique combination whistle, the Acme 640 Combination (640 MHz), featuring two of the most popular dog whistles in one.

• One end of the whistle features the traditional Triller (Deep Triller), a pea whistle with a distinctive trilling sound, while the other end has an Airfast clear, single-frequency whistle.
• A very popular and versatile whistle, commonly used for dog training and handling.
• The whistle has an excellent sound range.

Colour: Black

Size: Whistle length 90 mm.