Chevrolet K5 Blazer Antenna. Brand: Metra. Fits Years: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86. ANTENNAWorks; Universal Antenna -- Top Mount; For 1 in./25mm Hole; 38...