FIRESTIK 15in 2-Meter Tunable Tip-1/4 Wave Black. 100 percent made in specialized factories. Double insulated 19 Gauge Copper Wire. Adjustable Tuning Range. 144-148MHZ Range 1.5:1 SWR. Features of FIRESTIK 15in 2-Meter Tunable Tip-1/4 Wave: 3/8 x 24 Threaded Base. 100 percent made in specialized factories. Double insulated 19 Gauge Copper Wire. Adjustable Tuning Range. 144-148MHZ Range 1.5:1 SWR. Package Contents: FIRESTIK 15in 2-Meter Tunable Tip-1/4 Wave FIRESTIK 2M15-B: 15in 2-Meter Tunable Tip-1/4 Wave Black