:.. |Open Helical Coil Gives Wide Bandwidth (26 to 30MHz) and Efficient Cooling|Tunable 0.200 x 48 Tapered Stainless Steel Whip|Great SWR Match and Tuning Outside of Normal CB Bands|Anodized Aluminum Construction Light-Weight Corrosion Resistant|Chrome Plated Brass Ferrules and Stainless Steel Stud for Strong Mounting..