3.5-foot tunable stainless steel CB antenna whip with a 50 Watt power rating and chrome-plated .375 inch (three-eighths inch) x 24 ferrule. Will screw into most standard mag mounts. Factory pre-tuned and tested and has an adjust-a-match twin ring VMT for tuning. Simply twist the rings for lowest SWR. A nice-sized and non-intrusive antenna to place on a car or truck to pair with your CB radio. The perfect balance between portability and performance. Enhance your communication capabilities with the Solarcon Stainless Steel Whip. Experience easy installation and precise tuning as well as reliable performance right from the start. Upgrade your antenna setup today and enjoy optimal signal quality and enhanced communication range.