K40 SF-400 Black 4' 1500W Superflex Tunable Fiberglass CB Whip Antenna Description K40 Superflex gives you 180 degree whip action capability. The SF-400 features a tunable design with top loaded coil, and can be used as a single antenna or co-phased. This black fiberglass CB whip antenna is designed for CB and 10 meter radios, and has a frequency range of 26-30MHz. Features: Superflex 1/4" Fiberglass Rod 1/4 Wave Length Design Fits All 3/8" x 24 Threaded Mounts Chrome Plated Whip Adapter Mil-Spec Polyolefin Sheath Product Details: Antenna: Radio Brand: K40 Color: Black Maximum Range: 10 Meters Brand Name: ‎K40 Item Weight: ‎0.01 ounces Product Dimensions: ‎48 x 3 x 1 inches Item model number: ‎SF-400 Is Discontinued By Manufacturer: ‎No Color Name: ‎Black Date First Available: October 31, 2008