MATERIAL: Polished stainless steel is non-fading, durable and weather resistant, does not readily corrode, or rust and the rubber ball is soft for using, prevents scratching

• HORN SIZE: Length-18cm(7.0"); Horn ball diameter - 5.5cm(2.2"); Metal mouth - 7.3cm(2.9"). Mounting dimensions: Handlebar diameter - 2.22 cm(0.87")

• EASY TO INSTALL: Just use a hex key/screwdriver(not included) to tighten the screws, easy to install and remove from the handle bar of a bike

• SAFE AND LOUDLY: Clear the way with a distinctive honk by squeezing the rubber ball on the horn, the unmistakable sound lets everyone know you're coming