AntennaMastsRus - 13" All-Terrain Flexible Rubber Antenna is Compatible with GMC Sierra 1500 (2006-2019) - Spring Steel Internal CORE Fits: 2006-2019 GMC Sierra 1500 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!