Check the listing for details. K40 CB Antenna Magnet Mount Kit, 57.25" Stainless Steel Whip, 18' RG-58A/U Coax. Color: Black, Condition: New. Listed at 119.99 USD. K40 K40A 57.25" Base Load Magnet Mount CB Antenna Kit with Stainless Steel Whip and Black/Red K40 Logo 57.25 Baseload CB Antenna Kit w/Stainless Steel Whip - Black w/Red K40 LogoUniversal Mounting Application 500 Watts18' Custom-Made RG-58A/U 95% Shielded Coax Stranded to Prevent BreakageExclusive METLPLAS Construction for Superior Performance17-7 Stainless Steel 57.25 Whip AntennaUnique Capacitor for Consistent SWR Across All 40 ChannelsBase Rotates 30Special Radiused Tip to Dissipate Static No Static Ball to get Knocked OffWhip Retracts 2.25 into Coil for Easy TuningIsolation Chamber Reduces Static DampingQuarter-Turn Release Makes for Easy Removal of Coil and WhipMagnet Mount BaseMagnaMount CB Antenna Base - Black CB Antenna AccessoryAffixes the K40 CB Antenna to a Metal Surface on Virtually Any VehicleIncludes 120 lb. PullAll Necessary Hardware Included This is a must have antenna for any trucker or RV driver on the road. K-40 antenna offers a universal mount application, 500 watt antenna. Base Rotates 30 degree for proper vertical polarization. Has a special radiused tip to dissipate static no static ball to get knocked off. Isolation chamber reduces static damping. Whip retracts 2.25 inches into coil for easy tuning. Quarter-turn release makes for easy removal of coil and whip. Made in the U.S.A