Shakespeare CENTENNIAL Style 51028' LENGTH, VHF Marine 6dBCOLLINEAR PHASED 5/8-WAVEShakespeare started its second century of innovation with the new Centennial antennas that bring the most wanted high-end features to mid-priced antennas. The Style 5102 carries on that tradition. Its a 6dB collinear phased 5/8-wave antenna of 8-foot nominal length. The Centennial antennas have a high-gloss, polyurethane finish that wont turn yellow in the sun. Superb value and performance.