Wolo (825 Giant Roof Mount Air Horn - High Tone High tone sound All metal construction, chrome plated throughout so to withstand the extremes in all weather conditions and to provide years of dependable service Provided with the horn is a metal front pedestal support that is chrome plated The support will help to eliminate trumpet vibration at high speeds and on the roughest roads A front deflector cover provides protection against rain, road dirt, snow, and bugs from entering into the horns trumpet, protecting the sound and your investment