Antenna Balls HappyBalls Oklahoma Sooners College Football Car Antenna Topper Rear View Mirror Dangler - Mirror Hanger (Yellow Face) Auto Accessory Aprox. 2 inches diameter Hole size 4.5mm diameter Find Your Car, Truck or SUV In A Parking Lot REALLY Fast Includes Free Rear View Mirror Hanger Accessory! Collectible and No Longer Produced! Get Yours Soon