Features: This stylish yet functional LOW PROFILE (5.51 inch) Silver 50 Caliber Ammo Antenna. Made out of T-6061 Billet Aluminum with a hard Silver anodized finish that will not chip, scratch or fade over time. Installation is very simple. which means it screws onto your existing antenna mount (a direct bolt-on part, no wiring involved) and takes a minute to do. Makes a great gift idea for past and present Military, Policeman, and Outdoorsman. AM FM RADIO - Avoid hearing unwanted static noise when changing stations. Mega Racer's 50 cal antenna is made with solid 6061 aluminum which is 500% more conductive than steel to ensure crystal clear music without radio noise. .