AntennaMastsRus - 13" All-Terrain Flexible Rubber Antenna is Compatible with FORD F-350 (1980-2016) - SPRING STEEL INTERNAL CORE FITS: 1980-2016 FORD F350's 13" All-Terrain SHORT Custom Flexible Rubber AM/FM Antenna **UNIQUE SPRING-STEEL INTERNAL CORE** Order before 2PM CST, Same Day Shipping from Wisconsin!!! 100% Satisfaction Guarantee, Period!