The 48-inch Hot Rod CB Antenna is rated at 150-watts and made in the USA. 3|8 inch x 24 chromed brass ferrule threaded base accepts all standard antenna mounts. Individually pre-tuned unique top cap design for maximum performance and exclusive double helical winding. Custom fiberglass formula for a flexible, long lasting antenna. AM/FM ready and optimized for maximum performance. 48" In Overall Length, 150 Watts Rated 3/8" - 24 Chromed Brass Ferrule Orange Double Quarter Wave Fiberglass CB Antenna Whip Threaded Base Accepts All Standard Antenna Mounts Traditional Sleek Style that Reduces Wind Drag Load AM/FM Ready | Optimized for Maximum Performance MODEL NO - 300-CB240