2000 Series is a Stainless Steel Centre Loaded Coil, 10" Shaft and 49" Stainless Steel Whip, Rated at 3500 Watts, Standard 3/8" x 24 Chromed Brass Ferrule, Larger Coil Housing Allows for Increased Power Handling, Patented Low Loss, Air Wound Coil Design,  Uses 10-Gauge Silver Plated Wire, Red Coil is Made of High Impact Engineered Thermoplastic, Frequency Range: 26MHz to 30MHz, Static Reducing Weather Cap. Product ships in Clamshell Package.