AntennaMastsRus - 13" All-Terrain Flexible Rubber Antenna is Compatible with Chevrolet Avalanche (2006-2013) - Spring Steel Internal CORE Fits: 2006-2013 Chevrolet Avalanche 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!