AntennaMastsRus - 21" Black Antenna is Compatible with Dodge Ram Truck 3500 (2010-2018) - Spiral Wind Noise Cancellation - Spring Steel Construction - Stainless Steel Threading Fits: 2010-2018 Dodge Ram Truck 3500 21" BLACK Tapered Antenna - Spring Steel Construction!! *** Wind Noise Canceling *** Features an external coil to cancel wind noise Stainless Steel Threading; MADE IN THE U.S.A.!!!! Order before 2PM CST, Same Day Shipping from Wisconsin!!!