ModifyStreet 3"/76 mm Black/REAL Carbon Fiber Wrap Screw On Type Car Roof Top Stubby Short Radio Antenna Please check if your antenna is screw type before purchasing the item. Cars with motor type base antenna might need modification in order to install this antenna 3" x 0.5" Short Screw Type Antenna Made of T-6061 aircraft grade billet aluminum with REAL carbon fiber wrap Comes with 5 different size of screw to fit cars with screw type base antenna (Cars with motor type base antenna might need modification in order to install this antenna)