. Feature 500 watts handling capacity, chromed brass extra long ferrule with industry standard 3/8" x 24 threads . Factory pre-tuned, fullwave, top loaded design, construction incorporates heli-wound 16 gauge solid copper wire to insure quality performance . 5/16" Diameter solid fiberglass whip with long filament & protective cover to prevent breakage . Static reducing 2" rubber cap to eliminate moisture contamination . Carded