The outside diameter is approx. The inner diameter is approx. 1 set = 4 pieces. Models: A6, S6, TT 1995 - 2012.The item "4 Pcs 146mm For Audi Silver Wheel Center Caps Hubcaps Rim Caps 8N0601165A Emblem" is in sale since Saturday, August 4, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Wheel Center Caps". The seller is "cilo-top" and is located in Singapore. This item can be shipped worldwide.