bird dog supplies|acme 60.5 thunderer whistle

this small but very shrill acme 60.5 thunderer whistle has been a favorite of hunting dog trainers for years. with its fluctuating frequency, it is easily heard even in strong winds. fitted with a no-stick pea, it will work after complete immersion in water and is unaffected by rainstorms and harsh weather. comes with a simple lanyard.

nickel-plated brass. wipe clean. made in usa.