Brass English Police London Bobby Whistle with Chrome Finish The Brass English Police whistle is a novel gift for your favorite authority, it's sure to command respect! Chrome finish London Bobby whistle measures just over 3" long and less than an inch across. Brass bobby whistle includes mounting ring to add to your favorite lanyard for easy access. This distinctive English bobby whistle is the perfect gift for the Anglophile, police collector, or imaginative young boy! This whistle ships brand new!