This 3-foot 100 Watt Hot Rod antenna by Francis is a Double Quarter Wave CB antenna tuned for maximum performance, Multi-conducting elements dielectrically and inductively compressed in a paralleled helical design, Fully fiberglass encapsulated, Standard 3/8"" x 24 thread, Chrome-plated brass ferrule, Mount Type: 3/8 inch x 24, Length: 36 Inches, Frequency Range: 26-30MHz, Frequency Type: CB Radio, Antenna Type: Fiberglass, Power Rating: 100 Watts, Mount and/or Cable Included: No, Termination: 3/8 inch x 24, SKU: CBDST0910